| Symmes's Theory of Concentric Spheres / Demonstrating that the Earth is hollow, habitable within, and widely open about the poles
James McBride; John Cleves Symmes | |
| Sympathetic Magic
Paul Cameron Brown | |
| Symphonies and Their Meaning; Third Series, Modern Symphonies
Philip H. Goepp | |
| Symposium
Plato | |
| Symzonia: Voyage of Discovery
Captain Adam Seaborn | |
| Syndicalism in France
Lewis L. Lorwin | |
| Syndrome
Thomas Hoover | |
| Syndrome Johnny
Charles Dye | |
| Synge and the Ireland of His Time
W. B. Yeats | |
| Synonyms and antonyms
Edith B. Ordway |
