Books about Man-woman relationships -- Fiction (sorted alphabetically)
- Second String Anthony Hope
- Secret History Revealed By Lady Peggy O'Malley C. N. Williamson and A. M. Williamson
- Secret of Toni Molly Elliot Seawell
- Secret Places of the Heart H. G. Wells
- Secret Victory Stephen McKenna
- Sentimental Adventures of Jimmy Bulstrode Marie Van Vorst
- Sentiment, Inc. Poul Anderson
- sentinel stars : a novel of the future Louis Charbonneau
- Servant of the Public Anthony Hope
- Set in Silver C. N. Williamson and A. M. Williamson
- Seven Streams Warwick Deeping
- Shadow of Life Anne Douglas Sedgwick
- Shavings: A Novel Joseph Crosby Lincoln
- shears of destiny Leroy Scott
- Sheep-Stealers Violet Jacob
- Sheikin pojat: Romaani aavikoilta (Finnish) E. M. Hull
- Shield of Silence Harriet T. Comstock
- shooting party Anton Pavlovich Chekhov
- Silent Battle George Gibbs
- Singoalla (Swedish) Viktor Rydberg
- Singoalla (Finnish) Viktor Rydberg
- skeleton key Bernard Capes
- Sketches of Gotham Ike Swift
- Slanderers Warwick Deeping
- Slaves of Freedom Coningsby Dawson