TY  - BOOK
AU  - Ullmann, Walter
AU  - Ullmann,Walter
TI  - The Origins of the Great Schism:  A Study in Fourteenth - Century Ecclesiastical Communtiy
U1  - J28 
PY  - 1948///
CY  - London
PB  - Burns & Oates
N1  - includes index and biblioraphy
ER  -