TY  - BOOK
AU  - Ullmann,Walter
TI  - The origins of the Great Schism: a study in fourteenth-century ecclesiastical history 
PY  - 1948///
CY  - London
PB  - Burns, Oates and Washbourne
KW  - Scisma d'Occidente, 1378-1417
KW  - sbaa
ER  -