TY  - BOOK
AU  - Ullmann,Walter
TI  - Principles of government and politics in the Middle Ages
SN  - 0064771954
PY  - 1974///
CY  - London
PB  - Methuen
KW  - State, The
KW  - Constitutional history, Medieval
N1  - Includes index and bibliography: p. 13-14
ER  -