Books in Browsing: Sociology (sorted alphabetically by author)
- Practical Instruction for Detectives: A Complete Course in Secret Service Study Emmerson Wain Manning
- Work for Women George J. Manson
- L'arte di prender marito (Italian) Paolo Mantegazza
- The art of taking a wife Paolo Mantegazza
- Labor's Martyrs: Haymarket 1887, Sacco and Vanzetti 1927 Vito Marcantonio
- Selling Things Orison Swett Marden and Joseph Francis MacGrail
- Anthropology R. R. Marett
- Adam, Ève et Brid'oison (French) Paul Margueritte
- How to Observe: Morals and Manners Harriet Martineau
- The Place of Animals in Human Thought contessa Evelyn Lilian Hazeldine Carrington Martinengo-Cesaresco
- The Behavior of Crowds: A Psychological Study Everett Dean Martin
- The Passing of the Idle Rich Frederick Townsend Martin
- Το κεφάλαιον (Greek) Karl Marx
- El capital: Resumido y acompañado de un estudio sobre el Socialismo científico (Spanish) Karl Marx and Gabriel Pierre Deville
- Manifesto of the Communist Party Karl Marx and Friedrich Engels
- The Communist Manifesto Karl Marx and Friedrich Engels
- Manifest der Kommunistischen Partei (German) Karl Marx and Friedrich Engels
- Der Briefwechsel zwischen Friedrich Engels und Karl Marx 1844 bis 1883, Erster Band (German) Karl Marx and Friedrich Engels
- The Communist Manifesto Karl Marx and Friedrich Engels
- Manifest der Kommunistischen Partei (German) Karl Marx and Friedrich Engels
- Woman in the golden ages Amelia Gere Mason
- Criminal Types V. M. Masten
- Socialism Exposed Joseph Mather
- Thirty years in Madagascar Thomas T. Matthews
- Mrs. Maybrick's Own Story: My Fifteen Lost Years Florence Elizabeth Maybrick