TY  - BOOK
AU  - Marx,Karl
AU  - Engels,Friedrich
AU  - Lenin
TI  - The Essential left: four classic texts on the principles of socialism 
SN  - 0043350135
U1  - 335 
PY  - 1971///
CY  - London
PB  - Allen and Unwin;
KW  - Socialismo
ER  -