Books about Man-woman relationships -- Fiction (sorted alphabetically)
- Rudin: A Novel Ivan Sergeevich Turgenev
- Rue and Roses Angela Langer
- Rutledge Miriam Coles Harris
- Sacred and Profane Love: A Novel in Three Episodes Arnold Bennett
- Sacred Tree: Being the Second Part of 'The Tale of Genji' Murasaki Shikibu
- Sagebrush Cinderella Max Brand
- Salamander Owen Johnson
- Sally Bishop: A Romance E. Temple Thurston
- Salomy Jane Bret Harte
- Sam E. J. Rath
- sane men of Satan Sam Merwin
- San Isidro Mrs. Schuyler Crowninshield
- Sarah of the Sahara: A Romance of Nomads Land George S. Chappell
- Sargasso of Lost Starships Poul Anderson
- Satanella: A Story of Punchestown G. J. Whyte-Melville
- Saturday's Child Kathleen Thompson Norris
- Scandal: A Novel Cosmo Hamilton
- Scarlet and Hyssop: A Novel E. F. Benson
- scarlet car; The Princess Aline Richard Harding Davis
- Schach von Wuthenow (German) Theodor Fontane
- Sea Bride Ben Ames Williams
- Sealed Valley Hulbert Footner
- Search Grace Livingston Hill
- Second Fiddle Phyllis Bottome
- Second Latchkey C. N. Williamson and A. M. Williamson