Siege Of Boston

The siege of Boston (April 19, 1775 – March 17, 1776) was the opening phase of the American Revolutionary War. New England militiamen prevented the movement by land of the British Army, which was garrisoned in what was then the peninsular town of Boston, Massachusetts Bay. Both sides had to deal with resource, supply, and personnel issues over the course of the siege. British resupply and reinforcement was limited to sea access, which was impeded by American vessels. The British abandoned Boston after eleven months and transferred their troops and equipment to Nova Scotia.

The siege began on April 19 after the Battles of Lexington and Concord, when Massachusetts militias blocked land access to Boston. The Continental Congress formed the Continental Army from the militias involved in the fighting and appointed George Washington as Commander in Chief. In June 1775, the British seized Bunker and Breed's Hills, from which the Continentals were preparing to bombard the city, but their casualties were heavy and their gains insufficient to break the Continental Army's control over land access to Boston. After this the Americans laid siege to the city; no major battles were fought during this time and the conflict was limited to occasional raids, minor skirmishes, and sniper fire. British efforts to supply their troops were significantly impacted by the smaller but more agile American forces operating on both land and sea and the British consequently suffered from a continual lack of food, fuel, and supplies during the siege.

In November 1775, George Washington sent Henry Knox on a mission to bring to Boston the heavy artillery that had recently been captured at Fort Ticonderoga. In a technically complex and demanding operation, Knox was able to bring the cannons to Boston in January 1776 and by March this artillery had fortified Dorchester Heights which overlooked Boston harbor. This development threatened to cut off the British supply lifeline from the sea. British commander William Howe saw his position as indefensible and on March 17 he withdrew his forces from Boston to Halifax, Nova Scotia.

Background

Before 1775, the British imposed taxes and import duties on the American colonies, to which the inhabitants objected since they lacked British Parliamentary representation. In response to the Boston Tea Party and other acts of protest, 4,000 British troops under the command of General Thomas Gage were sent to occupy Boston and to pacify the restive Province of Massachusetts Bay.Chidsey, p. 5 Parliament authorized Gage, among other actions, to disband the local provincial government (led by John Hancock and Samuel Adams). It was reformed into the Provincial Congress, and continued to meet. The Provincial Congress called for the organization of local militias and coordinated the accumulation of weapons and other military supplies.Frothingham, pp. 35, 54 Under the terms of the Boston Port Act, Gage closed the Boston port, which caused much unemployment and discontent.Frothingham, p. 7

When British forces were sent to seize military supplies from the town of Concord on April 19, 1775, militia companies from surrounding towns opposed them at the Battles of Lexington and Concord.McCullough, p. 7 At Concord, some of the British forces were routed in a confrontation at the North Bridge. The British troops, on their march back to Boston, were then engaged in a running battle, suffering heavy casualties.See Battles of Lexington and Concord for the full story. All of the New England colonies (and later colonies farther south) raised militias in response to this alarm, and sent them to Boston.

Order of battle

British Army

The British army order of battle in July 1775 was:

* Commander-in-Chief of the British Army in America, Major General Sir William Howe, 5th Viscount Howe
* Commander of Artillery & Engineers, Colonel Cleveland (commanding officer of the 4th Battalion)
** No.1 Company, 4th Battalion, Royal Artillery
** No.2 Company, 4th Battalion, Royal Artillery
** No.4 Company, 4th Battalion, Royal Artillery
** No.5 Company, 4th Battalion, Royal Artillery
** No.8 Company, 4th Battalion, Royal Artillery
** x2 Companies of Invalids
* 1st Division, commanded by Major General Sir Henry Clinton
** 17th Regiment of (Light) Dragoons (4 Squadrons)
** 1st Brigade, commanded by Brigadier General His Grace Hugh Percy, 2nd Duke of Northumberland
*** 4th (The King's Own) Regiment of Foot
*** 23rd Regiment of Foot (Royal Welch Fusiliers)
*** 44th Regiment of Foot
*** 59th Regiment of Foot
** 3rd Brigade, commanded by Brigadier General Paget
*** 10th Regiment of Foot
*** 33rd Regiment of Foot
*** 47th Regiment of Foot
*** 1st Battalion, Royal Marines
** 5th Brigade, commanded by Brigadier General James Grant, Laird of Ballindalloch
*** 22nd Regiment of Foot
*** 43rd Regiment of Foot
*** 52nd Regiment of Foot
* 2nd Division, commanded by Major General John Burgoyne
** 2nd Brigade, commanded by Brigadier General Jones
*** 5th Regiment of Foot
*** 35th Regiment of Foot
*** 45th Regiment of Foot
*** 53rd Regiment of Foot
** 4th Brigade, commanded by Brigadier General James Robertson
*** 18th Regiment of Foot/ 65th Regiment of Foot (combined)
*** 40th Regiment of Foot
*** 49th Regiment of Foot
*** 2nd Battalion, Royal Marines

Royal Navy

* British North American Squadron (only those ships based in/around Boston listed)
** (70 guns)
** (68 guns)
** (64 guns)
** (50 guns)
** (20 guns)
** (20 guns)
** (6 guns)
* In Marblehead, Massachusetts:
** (20 guns)

United Colonies Army

* Army of Massachusetts (Continental Army), commanded by the Commander-in-Chief, General George Washington
** Commander of Artillery, Brigadier General Henry Knox
*** Continental Artillery Regiment
*** Rhode Island Artillery Company
** Massachusetts Line
*** Frye's Massachusetts Regiment
*** Pennsylvania Rifle Regiment
*** Learned's Massachusetts Regiment
*** Nixon's Massachusetts Regiment
*** J. Brewer's Massachusetts Regiment
*** Fellow's Massachusetts Regiment
*** D. Brewer's Massachusetts Regiment
*** Prescott's Massachusetts Regiment
*** Cotton's Massachusetts Regiment
*** Little's Massachusetts Regiment
*** Danielson's Massachusetts Regiment
*** Mansfield's Massachusetts Regiment
*** Read's Massachusetts Regiment
*** Glover's Massachusetts Regiment
*** Walker's Massachusetts Regiment
*** Whitcomb's Massachusetts Regiment
*** Woodbridge's Massachusetts Regiment
*** Bridge's Massachusetts Regiment
*** Sargent's Massachusetts Regiment
*** Scammon's Massachusetts Regiment
*** Phinney's Massachusetts Regiment
*** Ward's Massachusetts Regiment
*** Thomas's Massachusetts Regiment
*** Heath's Massachusetts Regiment
*** Gardner's Massachusetts Regiment
*** Gerrish's Massachusetts Regiment
** New Hampshire Line
*** 1st New Hampshire Regiment
*** 2nd New Hampshire Regiment
*** 3rd New Hampshire Regiment
** Rhode Island Line
*** Varnum's Regiment
*** Hitchcock's Regiment
*** Church's Regiment
** Connecticut Line
*** 2nd Connecticut Regiment
*** 3rd Connecticut Regiment
*** 6 cos, 2 from 4th Connecticut Regiment
*** 6th Connecticut Regiment
*** 8th Connecticut Regiment

Siege

Digging in

Immediately after the battles of April 19, the Massachusetts militia, under the loose leadership of William Heath, who was superseded by General Artemas Ward late on the 20th,McCullough, p. 35 formed a siege line extending from Chelsea, around the peninsulas of Boston and Charlestown, to Roxbury, effectively surrounding Boston on three sides. They particularly blocked the Charlestown Neck (the only land access to Charlestown), and the Boston Neck (the only land access to Boston, which was then a peninsula), leaving only the harbor and sea access under British control.Frothingham, pp. 100–101

In the days immediately following the creation of the siege line, the size of the colonial forces grew, as militias from New Hampshire, Rhode Island, and Connecticut arrived on the scene. General Gage wrote of his surprise of the number of rebels surrounding the city: "The rebels are not the despicable rabble too many have supposed them to be....In all their wars against the French they never showed such conduct, attention, and perseverance as they do now."Harvey, p. 1

General Gage turned his attention to fortifying easily defensible positions. In the south, at Roxbury, Gage ordered lines of defenses with 10 twenty-four pound guns. In Boston proper, four hills were quickly fortified. They were to be the main defense of the city. Over time, each of these hills was strengthened. Gage also decided to abandon Charlestown, removing the beleaguered forces (that had retreated from Concord) to Boston. The town of Charlestown itself was entirely vacant, and the high lands of Charlestown (Bunker Hill and Breed's Hill) were left undefended, as were the heights of Dorchester, which had a commanding view of the harbor and the city. French, pp. 126–128,220

The British at first greatly restricted movement in and out of the city, fearing infiltration of weapons. Besieged and besiegers eventually reached an informal agreement allowing traffic on the Boston Neck, provided no firearms were carried. Residents of Boston turned in almost 2,000 muskets, and most of the Patriot residents left the city.Chidsey, p. 53 Many Loyalists who lived outside the city of Boston left their homes and fled into the city. Most of them felt that it was not safe to live outside of the city, because the Patriots were now in control of the countryside. French, p. 228 Some of the men, after arriving in Boston, joined Loyalist regiments attached to the British army. French, p. 234

Because the siege did not blockade the harbor, the city remained open for the Royal Navy, under Vice Admiral Samuel Graves, to bring in supplies from Nova Scotia and other places. Colonial forces could do little to stop these shipments due to the naval supremacy of the British fleet. Nevertheless, American privateers were able to harass supply ships, and food prices rose quickly. Soon the shortages meant the British forces were on short rations. Generally, the American forces were able to gather information about what was happening in the city from people escaping the privations of Boston, but General Gage had no effective intelligence of rebel activities.McCullough, p. 118

Early skirmishes

On May 3, the Massachusetts Provincial Congress authorized Benedict Arnold to raise forces for taking Fort Ticonderoga near the southern end of Lake Champlain in the Province of New York, which was known to have heavy weapons, but to be only lightly defended. Arnold arrived in Castleton (in what is now Vermont, but was then disputed territory between New York and New Hampshire) on the 9th, where he joined with Ethan Allen and a militia company from Connecticut, all of whom had independently arrived at the idea of taking Ticonderoga. This company, under the joint leadership of Arnold and Allen, captured Fort Ticonderoga and Fort Crown Point. They also captured the one large military vessel on Lake Champlain in a raid on Fort Saint-Jean.Fisher, pp. 318–321 They recovered over 180 cannons, as well as other weaponry and supplies that the nascent Continental Army would find useful in tightening their grip on Boston.Chidsey, p. 60

Boston lacked a regular supply of fresh meat, and many horses needed hay. On May 21, Gage ordered a party to go to Grape Island, in the outer harbor, and bring hay to Boston. French, p. 248 When the Continentals on the mainland noticed this, they took alarm, and the militia were called out. As the British party arrived, they came under fire from the militia. The militia set fire to a barn on the island, destroying 80 tons of hay, and prevented the British from taking more than 3 tons.

Continental forces, partly in response to the Grape Island incident, worked to clear the harbor islands of livestock and supplies useful to the British. On May 27, in the Battle of Chelsea Creek, the British Marines attempted to stop removal of livestock from some of the islands. The Americans resisted, and, in the course of the action, the British schooner ''Diana'' ran aground and was destroyed, but not before the Continentals recovered its weaponry. In an attempt to help quell the rebellion, Gage issued a proclamation on June 12 offering to pardon all of those who would lay down their arms, with the exception of John Hancock and Samuel Adams. French, p. 251 Instead of quelling the rebellion, it ignited anger among the Patriots, and more people began to take up arms.

Breed's Hill

Throughout May, the British had been receiving reinforcements, until they reached a strength of about 6,000 men. On May 25, three Generals arrived on : William Howe, John Burgoyne, and Henry Clinton. Gage began planning to break out of the city. French, p. 249

The plan decided on by the British command was to fortify both Bunker Hill and Dorchester Heights. They fixed the date for taking Dorchester Heights at June 18. On June 15, the colonists' Committee of Safety learned of the British plans. In response, they sent instructions to General Ward to fortify Bunker Hill and the heights of Charlestown; he ordered Colonel William Prescott to do so. On the night of June 16, Prescott led 1,200 men over the Charlestown Neck, and constructed fortifications on Bunker Hill and Breed's Hill. French, pp. 255–258

On June 17, in the Battle of Bunker Hill, British forces under General Howe took the Charlestown peninsula. French, p. 288 The British succeeded in their tactical objective of taking the high ground on the Charlestown peninsula, but they suffered significant losses. With some 1,000 men killed or wounded, including 92 officers killed, the British losses were so heavy that there were no further direct attacks on American forces. French, p. 284 The Americans, while losing the battle, had again stood against the British regulars with some success, as they had successfully repelled two assaults on Breed's Hill during the engagement. French, pp. 272–273 From this point, the siege essentially became a stalemate.

Stalemate

General George Washington arrived at Cambridge on July 2. He set up his headquarters at the Benjamin Wadsworth House at Harvard College. He took command of the newly formed Continental Army the following day. By this time forces and supplies were arriving, including companies of riflemen from as far away as Maryland and Virginia.Chidsey, p. 117 Washington began the work of molding the militias into something more closely resembling an army, appointing senior officers (where the militias had typically elected their leaders), and introducing more organization and disciplinary measures to the encamped militias.Chidsey, p. 113

Washington required officers of different ranks to wear differentiating apparel, so that they might be distinguished from their underlings and superiors.Chidsey, p. 112 On July 16, he moved his headquarters to the John Vassall House, also in Cambridge, that would later become well known as the home of Henry Wadsworth Longfellow. Toward the end of July, about 2,000 riflemen arrived in units raised in Pennsylvania, Maryland, and Virginia. The accuracy of the rifle was previously unknown in New England, and these forces were used to harass the besieged forces.Frothingham, pp. 227–228

Washington also ordered the defenses to be improved. Trenches were dug on the Boston Neck, and then extended toward Boston. However, these activities had little effect on the British occupation. The working parties were fired on from time to time, as were sentries guarding the works. On July 30, in retaliation for an American attack, the British pushed back an American advanced guard, and burned a few houses in Roxbury. French, p. 337 Four days later, on August 2, an American rifleman was killed, and his body hung up by the neck. In retaliation, other American riflemen marched to the lines and began to attack the British troops. They continued their sharpshooting all day, killing or wounding many of the British, and losing only one man.

On August 30, the British made a surprise breakout from the Boston Neck, set fire to a tavern, and withdrew to their defenses.McCullough, p. 39 On the same night, 300 Americans attacked Lighthouse Island and burned the lighthouse, killing several British soldiers and capturing 23 at the loss of one life. On another August night, Washington sent 1,200 men to dig entrenchments on a hill near the Charlestown Neck. Despite a British bombardment, the Americans successfully dug the trenches. French, p. 311

In early September, Washington began drawing up plans for two moves: first, to dispatch 1,000 men from Boston and invade Quebec, and second, to launch an attack on Boston.McCullough, p. 50 Washington felt that he could afford to send some troops to Quebec, as he had received intelligence from British deserters and American spies that the British had no intention of launching an attack from Boston until they were reinforced.McCullough, p. 51 On September 11, about 1,100 troops under the command of Benedict Arnold left for Quebec.Smith, pp. 57–58 Washington summoned a council of war, and made a case for an all out amphibious assault on Boston, by sending troops across Back Bay in flat-bottomed boats which could hold 50 men each.McCullough, p. 53 Washington believed it would be extremely difficult to keep the men together when winter came. In a war council, the plan was unanimously rejected, and the decision was not to attack "for the present at least."

In early September Washington authorized the appropriation and outfitting of local fishing vessels for intelligence-gathering and interdiction of supplies to the British. This activity was a precursor to the Continental Navy, which was established in the aftermath of the British Burning of Falmouth (present-day Portland, Maine). The provincial assemblies of Connecticut and Rhode Island had by then also begun arming ships and authorized privateering. French, pp. 319–320

In early November, 400 British soldiers went to Lechmere's Point on a raiding expedition to acquire some livestock. They made off with 10 head of cattle, but lost two lives in the skirmish with colonial troops sent to defend the point. French, p. 338Frothingham, p. 267 On November 29, colonial Captain John Manley, commanding the schooner ''Lee'', captured one of the most valuable prizes of the siege, the British brigantine ''Nancy'', just outside Boston Harbor. She was carrying a large supply of ordnance and military stores intended for the British troops in Boston.Chidsey, p. 133

As winter approached, both sides faced their own problems. The Americans were so short of gunpowder that some of the soldiers were given spears instead of guns to fight with in the event of a British attack.McCullough, p. 60 Many of the American troops remained unpaid and many of their enlistments were set to expire at the end of the year. On the British side Howe, who had replaced Gage as commander in October, was faced with different problems. Wood was so scarce that British soldiers resorted to cutting down trees and tearing down wooden buildings, including the Old North Meeting House.p.78

To add to this, supplying the city had become increasingly difficult because of winter storms and the rise in rebel privateers. An improvised American war fleet of about 12 converted merchant ships captured 55 British ships over the course of the winter. Many of the captured ships had been carrying food supplies to the British troops. The British troops were so hungry that many were ready to desert as soon as they could. Worse, scurvy and smallpox had broken out in the city.McCullough, p. 61 Washington's army faced similar problems with smallpox, as soldiers from rural communities were exposed to the disease. Washington moved infected troops to a separate hospital, the only option then available given the public stigma against inoculation.

Washington again proposed to assault Boston in October, but his officers thought it best to wait until the harbor had frozen over. French, p. 330 In February, when the water had frozen between Roxbury and Boston Common, Washington thought that in spite of his shortage in powder he would try an assault by rushing across the ice; but his officers again advised against it. Washington's desire to launch an attack on Boston arose from his fear that his army would desert in the winter, and how easily he knew that Howe could break the lines of his army in its present condition. He had not yet learned how completely he could trust in Howe's inactivity; he abandoned an attack across the ice with great reluctance in exchange for a more cautious plan, to fortify Dorchester Heights using cannon arrived from Fort Ticonderoga.Fisher, p. 1Frothingham, pp. 295–296

In mid-January, on orders from London, British Major General Henry Clinton and a small fleet set sail for the Carolinas with 1,500 men. Their objective was to join forces with additional troops arriving from Europe, and to take a port in the southern colonies for further military operations.McCullough, p. 78 In early February a British raiding party crossed the ice and burned several farmhouses in Dorchester.McCullough, p. 86

End of the siege

Between November 1775 and February 1776, Colonel Henry Knox and a team of engineers used sledges to retrieve 60 tons of heavy artillery that had been captured at Fort Ticonderoga. Bringing them across the frozen Hudson and Connecticut rivers in a difficult, complex operation, they arrived back at Cambridge on January 24, 1776.McCullough, p. 84

Fortification of Dorchester Heights

Some of the Ticonderoga cannons, which were of a size and range not previously available to the Americans, were emplaced in fortifications around the city, and on the night of March 2, 1776, the Americans began to bombard the city with those cannon, to which the British responded with cannonades of their own.McCullough, p. 91 The American guns, under the direction of Colonel Knox, continued to exchange fire with the British until March 4. The exchange of fire did little damage to either side, although it did damage houses and kill some British soldiers in Boston.McCullough, p. 92

On March 5, Washington moved more of the Ticonderoga cannon and several thousand men overnight to occupy Dorchester Heights, overlooking Boston. Since it was winter, the ground was frozen, which made the digging of trenches impractical. Rufus Putnam, who had been a millwright, developed a plan to fortify the heights using defenses made of heavy timbers and fascines.Hubbard, Robert Ernest. ''General Rufus Putnam: George Washington's Chief Military Engineer and the "Father of Ohio,"'' pp. 45-8, McFarland & Company, Inc., Jefferson, North Carolina. . These were prefabricated out of sight of the British, and brought in overnight. General Howe is said to have exclaimed, "My God, these fellows have done more work in one night than I could make my army do in three months."McCullough, p. 93 The British fleet was within range of the American guns on Dorchester Heights, putting it and the troops in the city at risk.Frothingham, pp. 298–299

The immediate response of the British was a two-hour cannon barrage at the heights, which had no effect because the British guns could not reach the American guns at such height.McCullough, p. 94 After the failure of the barrage, Howe and his officers agreed that the colonists must be removed from the heights if they were to hold Boston. They planned an assault on the heights; however, due to a storm the attack never took place, and the British elected instead to withdraw.McCullough, p. 95

On March 8, some prominent Bostonians sent a letter to Washington, stating that the British would not destroy the town if they were allowed to depart unmolested. Washington was given the letter, but formally rejected it, as it was not addressed to him by either name or title.Frothingham, pp. 303–304 However, the letter had the intended effect: when the evacuation began, there was no American fire to hinder the British departure. On March 9, after seeing movement on Nook's Hill on Dorchester, the British opened a massive artillery barrage that lasted all night. It killed four men with one cannonball, but that was all the damage that was done.McCullough, p. 99 The next day, the colonists went out and collected the 700 cannonballs that had been fired at them.

Evacuation

On March 10, 1776, General Howe issued a proclamation ordering the inhabitants to give up all linen and woolen goods that could be used by the colonists to continue the war. A Loyalist, Crean Brush, was authorized to receive these goods, in return for which he gave certificates that were effectively worthless.McCullough, p. 104 Over the next week, the British fleet sat in Boston harbor waiting for favorable winds, while Loyalists and British soldiers were loaded onto the ships. During this time, American naval activities outside the harbor successfully captured and diverted to ports under colonial control several British supply ships.Frothingham, p. 308

On March 15, the wind became favorable, but before they could leave, it turned against them. On March 17, the wind once again turned favorable. The troops, who were authorized to burn the town if there were any disturbances while they were marching to their ships, began to move out at 4:00 a.m. By 9:00 a.m., all ships were underway.Frothingham, p. 309 The fleet departing from Boston included 120 ships, with more than 11,000 people aboard. Of those, 9,906 were British troops, 667 were women, and 553 were children.McCullough, p. 105

Aftermath

Americans clean up

Once the British fleet sailed away, the Americans moved to reclaim Boston and Charlestown. At first, they thought that the British were still on Bunker Hill, but it turned out that the British had left dummies in place. Due to the risk of smallpox, at first only men picked for their prior exposure to the disease entered Boston under the command of Artemas Ward. More of the colonial army entered on March 20, 1776, once the risk of disease was judged low.Frothingham, pp. 310–311 While Washington had essentially acceded to the British threat to burn Boston, and had not hindered their departure from the city, he did not make their escape from the outer harbor entirely easy. He directed Captain Manley to harass the departing British fleet, in which he had some success, capturing among other prizes the ship carrying Crean Brush and his plunder. French, p. 429

General Howe, when his fleet finally left the outer harbor, left in his wake a small contingent of vessels whose primary purpose was to intercept any arriving British vessels. While they successfully redirected to Halifax numerous ships carrying British troops originally destined for Boston, some unsuspecting British troop ships landed in Boston, only to fall into American hands. French, p. 436

The British departure ended major military activities in the New England colonies. Washington, fearing that the British were going to attack New York City, departed on April 4 with his army for Manhattan, beginning the New York and New Jersey campaign.McCullough, p. 112

There are six units of the Army National Guard (101st Eng Bn, 125th MP Co, 181st Inf, 182nd Inf, 197th FA, and 201st FA) derived from American units that participated in the siege of Boston. There are thirty currently existing units in the U.S. Army with lineages that go back to the colonial era.

Fate of the British generals

"Had Sir William Howe fortified the hills round Boston, he could not have been disgracefully driven from it," wrote his replacement Sir Henry Clinton. Thomas Fleming, ''The Enigma of General Howe'' (2017) p. 1 General Howe was severely criticized in the British press and Parliament for his failures in the Boston campaign. Nevertheless he remained in command for another two years: for the New York and New Jersey campaign and the Philadelphia campaign. General Gage never received another combat command. General Burgoyne would see action in the Saratoga campaign, a disaster that saw his capture, as well as that of 7,500 troops under his command. General Clinton would command the British forces in America for four years (1778–1782). French, pp. 437–438

Fate of the Loyalists

Many Massachusetts Loyalists left with the British when they evacuated Boston. Some went to England to rebuild lives there, and some returned to America after the war. Many went to Canada, settling in places like Saint John, New Brunswick, and often became active in the development of New Brunswick. French, pp. 438–439

Fate of Boston

Following the siege, Boston effectively ceased to be a military target, but continued to be a focal point for revolutionary activities, with its port acting as an important point for fitting ships of war and privateers. Its leading citizens would have important roles in the development of the future United States. French, pp. 441–443 Boston and other area communities mark the March 17 end of the siege as Evacuation Day.

See also

* American Revolutionary War §Early Engagements. The siege of Boston placed in sequence and strategic context.
* Battle of Gloucester, capture of British seamen attempting to enforce blockade in Gloucester Harbor
* Battle of Machias, Boston-based ship captured in Machias Bay
* Fort Washington, Massachusetts, surviving colonial position used during the siege
* List of conflicts in the United States#18th century
* List of Washington's Headquarters during the Revolutionary War

Footnotes

Bibliography

* Allison, Robert J. "George Washington and the Siege of Boston." in ''A Companion to George Washington'' (2012): 137-152.
* Barbier, Brooke. ''Boston in the American Revolution: A Town Versus an Empire'' (Arcadia Publishing, 2017).
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* Hazelgrove, William. ''Henry Knox's Noble Train: The Story of a Boston Bookseller's Heroic Expedition that Saved the American Revolution'' (Rowman & Littlefield, 2020).
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* Philbrick, Nathaniel. ''Bunker Hill: A City, a Siege, a Revolution'' (Random House, 2013).
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Primary sources

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