| The So-called Human Race
Bert Leston Taylor | |
| The sociable Sand Witch
Thomas Lambert Sappington | |
| The Social Cancer: A Complete English Version of Noli Me Tangere
José Rizal | |
| The social center
Woodrow Wilson | |
| The Social Contract & Discourses
Jean-Jacques Rousseau | |
| The Social Direction of Evolution: An Outline of the Science of Eugenics
William E. Kellicott | |
| The Social Emergency: Studies in Sex Hygiene and Morals
Unknown | |
| The Social Evolution of the Argentine Republic
Ernesto Quesada | |
| The social evolution of the Black South
W. E. B. Du Bois | |
| The Social Gangster
Arthur B. Reeve |
