Notas y nuevas notas del país darwiniano
By: José Luis Orozco.
Contributors: Orozco, José Luis, 1940- 
Publisher: Universidad Autónoma de Baja California
Published: 1994
Place of publication: Mexicali, B.C
Language: spa
Number of pages: 134
Subjects: Sumner, William Graham, 1840-1910.; Sociology -- United States -- History.; Social Darwinism -- United States -- History.
Other titles: País darwiniano
Notes: Includes bibliographical references.
Updated ed. of: Notas del país darwiniano.