Kropotkin Peter <br/><br/>
Mutual aid    A factor of evolution    
Kropotkin Peter 
 - Massachuseths  Extending Honzons Books          1971 
 - 326p  cm. 
<br/><br/> Appendix P 301-42 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociometry
<br/><br/><label>Dewey Class. No.: </label>Y:(G:66), L1