Pope Gregory IX and the crusade
By: by Richard Taylor Spence.
Publisher: University Microfilms International, 1979, c1978.
Published: 1978
Place of publication: Ann Arbor, Mich
Language: eng
Number of pages: 327
Subjects: Gregory -- IX, -- Pope, -- ca. 1170-1241; Crusades.
Notes: Vita.

Thesis--Syracuse University.

Bibliography: l. 315-327.