TY  - BOOK
AU  - Leff, Gordon.
TI  - The tyranny of concepts: a critique of Marxism 
U1  - 146.3 LEF 
PY  - 1961///]
CY  - London
PB  - Merlin Press
KW  - Dialectical materialism
KW  - Communism
N1  - Includes bibliography
ER  -