TY  - BOOK
AU  - Kropotkin Peter
TI  - Mutual aid :  A factor of evolution   
U1  - Y:(G:66), L1 
PY  - 1971///
CY  - Massachuseths
PB  - Extending Honzons Books        
KW  - Sociometry
N1  - Appendix P 301-42
ER  -