Mutual assistance as a factor in evolution

Kropotkin, P.Mutual assistance as a factor in evolution / Per.from English.V.P.Baturinsky, ed.author.- The only ed., Resolve.For Russia by the author, re -.and add.them.-Sank-Petersburg: ed.T -va "Knowledge", 1907. -[8], 351, [3] s .. -Before the head.: P. Kropotkin.T. 7.On the region: from English.Translation by V. Baturinsky edited by the author.Bibliogr.in the text and subscription.Note .. - Ex.: With a manpower.litter..I. Baturinsky, V.P..1.People (collection).Electronic copy source: PBOriginal storage location: UrFU