La philosophie de l'inconnaissable
Subtitle: la théorie de l'evolution: étude critique sur les "Premiers principes"
By: de Herbert Spencer
Published: 1907
Place of publication: Bruxelles
Language: fre
Number of pages: 488
Notes: Microfilm. New York, N.Y. : Columbia University Libraries, 1992. 1 microfilm reel ; 35 mm.

Filmed; NEH Project (FWC); 1992.