Topic summary
Crusade against Frederick II
Extracted from the Wikipedia article Crusade against the Hohenstaufen.
Bibliography
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- Hufschmid, Michelle T. (2020). The Crusade Against the Staufer in Germany, 1246–51 (PhD dissertation). University of Oxford.
- Loud, Graham A. (1993). "The Case of the Missing Martyrs: Frederick II's War with the Church 1239–1250". Studies in Church History. 30: 141–152. doi:10.1017/s0424208400011670.
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- Raccagni, Gianluca (2016). "The Crusade Against Frederick II: A Neglected Piece of Evidence"(PDF). The Journal of Ecclesiastical History. 67 (4): 721–740. doi:10.1017/S002204691600066X.
- Spence, Richard T. (1978). Pope Gregory IX and the Crusade (PhD dissertation). Syracuse University.
- Sodders, Daniel R. (1996). Conrad the Fourth as German King, 1237–1250 (PhD dissertation). University of Kansas.
- Strayer, Joseph R. (1969). "The Political Crusades of the Thirteenth Century". In R. L. Wolff; H. W. Hazard (eds.). A History of the Crusades, Volume II: The Later Crusades, 1189–1311. University of Wisconsin Press. pp. 343–375.
- Van Cleve, Thomas C. (1972). The Emperor Frederick II of Hohenstaufen: Immutator Mundi. Clarendon Press.
- Whalen, Brett Edward (2019). The Two Powers: The Papacy, the Empire, and the Struggle for Sovereignty in the Thirteenth Century. University of Pennsylvania Press.