Search Results       Your search for [author]Kropotkin, Petr Alekseevich, Kniaz', 1842-192 returned 1 record.           Mutual aid; a factor of evolution. by Kropotkin, Petr Alekseevich, Kniaz', 1842-192; Boston: Extending orizons Books, 1955. Subject: Cooperation; Social groups; Sociology.          Add to Book Cart Relevance: 70.72%