TY  - BOOK
AU  - Hudson,Geoffrey Francis
TI  - Fifty years of communism: theory and practice, 1917-1967 
SN  - 0140212841
PY  - 1971///
CY  - Harmondsworth
PB  - Penguin
KW  - Communism
KW  - Soviet Union
KW  - China
N1  - Bibliography : p. 221-224
ER  -