Books in Browsing: Sociology (sorted alphabetically by author)
- Modern Women and What is Said of Them E. Lynn Linton
- The Girl of the Period, and Other Social Essays, Vol. 2 (of 2) E. Lynn Linton
- Public Opinion Walter Lippmann
- Student und Alkohol (German) Leopold Loewenfeld
- Memorials of Human Superstition Jean Louis de Lolme
- When the Word is Given... Louis E. Lomax
- Nuovi studii sul genio vol. I (da Colombo a Manzoni) (Italian) Cesare Lombroso
- Nuovi studii sul genio vol. II (Origine e natura dei genii) (Italian) Cesare Lombroso
- L'uomo delinquente (Italian) Cesare Lombroso
- Criminal Man, According to the Classification of Cesare Lombroso Gina Lombroso
- Kadotuksen kansa: Kuvaus Lontoon East Endistä (Finnish) Jack London
- War of the Classes Jack London
- The People of the Abyss Jack London
- Sane Sex Life and Sane Sex Living H. W. Long
- Psicologia criminale (Italian) Michele Longo
- Het Anarchisme in de Arbeidersbeweging (Dutch) Jos. Loopuit
- Karl Marx Achille Loria
- Syndicalism in France Lewis L. Lorwin
- La philosophie sociale dans le theatre d'Ibsen (French) Ossip Lourié
- Confidences: Talks With a Young Girl Concerning Herself E. B. Lowry
- Herself: Talks with Women Concerning Themselves E. B. Lowry
- The Evolution of Love Emil Lucka
- Woman : a vindication Anthony M. Ludovici
- Lysistrata : or, Woman's future and future woman Anthony M. Ludovici
- The Accumulation of Capital Rosa Luxemburg