La lutte des races : recherches sociologiques / par Louis Gumplowicz ; traduction de Charles Baye.

Licence: Public Domain Mark

Credit: La lutte des races : recherches sociologiques / par Louis Gumplowicz ; traduction de Charles Baye. Source: Wellcome Collection.

Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.