''Keeping Left'' was a manifesto published in the

United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and North ...

in 1950 signed by 12 Labour

Members of Parliament A member of parliament (MP) is the representative in parliament of the people who live in their electoral district. In many countries with bicameral parliaments, this term refers only to members of the lower house since upper house members of ...

, 7 of whom had signed Keep Left three years before.

References

Labour Party (UK) publications {{UK-gov-stub