TY  - BOOK
AU  - Ullamann,Walter
TI  - A history of political thought:  the middle ages 
U1  - 940.1 
PY  - 1965///
CY  - Harmondsworth
PB  - Penguin Books
KW  - Medieval History
KW  - Europe - Medieval History
N1  - Includes bibliographical references and index
ER  -