TY  - BOOK
AU  - Kula, Witold
TI  - An economic theory of the feudal system: towards a model of thePolish economy 1500-1800
AV  - HC337.P7K7613	 
PY  - 1976///
CY  - Britain.
PB  -  : NLB.
KW  - Feudalism Poland History
KW  -  Land tenure... Poland..History
KW  - Agriculture...Economic aspects poland history
KW  - Poland.....Econom conditions
ER  -