TY  - BOOK
AU  - Kula,Witold
TI  - An Economic theory of the feudal system : towards a model of the Polish economy,1500-1800
U1  - MS 333.32209438 
PY  - 1976///
CY  - London
PB  - NLB
KW  - Feudal Tenure - Poland - 1500-1800
KW  - Economic Theory - Feudal system - Poland - 1500-1800
ER  -