TY  - BOOK
AU  - Leff,Gordon
TI  - Heresy in the Later Middle Ages: the relation of heterodoxy to dissent c. 1250-c. 1450 
U1  - 273.6 22
PY  - 1967///
CY  - New York
PB  - Manchester University Press
KW  - Ecclesiological doctrines
N1  - Includes bibliographical references and index
ER  -