4 Mar
2017
4 Mar
'17
8:15 p.m.
Socialismo y ciencia positiva, by Enrique Ferri 54282 [Subtitle: (Darwin-Spencer-Marx)] [Translator: Roberto Payró] [Language: Spanish] [Link: http://www.gutenberg.org/5/4/2/8/54282 ] [Files: 54282-0.txt] Thanks to Pedro Silvio Vivono David