Books about Man-woman relationships -- Fiction (sorted alphabetically)
- Hunt the Hog of Joe Robert E. Gilbert
- Hypnotic Experiment of Dr. Reeves, and Other Stories Charlotte Rosalys Jones
- Ice Planet Carl Selwyn
- Identity George O. Smith
- Idols William John Locke
- Ignatz Ron Goulart
- I'll dream of you Henry Farrell
- I'll See You in My Dreams William Campbell Gault
- Immortal Moment: The Story of Kitty Tailleur May Sinclair
- In a Yellow Wood Gore Vidal
- Incomplete Amorist E. Nesbit
- Inconstancy Roger D. Aycock
- Incredible Honeymoon E. Nesbit
- India : the pearl of Pearl River Emma Dorothy Eliza Nevitte Southworth
- Indiana George Sand
- Indian Summer Emily Grant Hutchings
- Inevitable Louis Couperus
- In Great Waters: Four Stories Thomas A. Janvier
- In love's hands : or, For her heart's sake Bertha M. Clay
- In self-defense W. C. Tuttle
- In the Carquinez Woods Bret Harte
- In the Roar of the Sea S. Baring-Gould
- In the Tideway Flora Annie Webster Steel
- In the Wilderness Robert Hichens
- Into the blue F. Britten Austin