Books about Man-woman relationships -- Fiction (sorted alphabetically)
- Letters of Two Brides Honoré de Balzac
- Lewis and Irene Paul Morand
- liaisons dangereuses (French) Choderlos de Laclos
- liaisons dangereuses, volume 1 (of 2) Choderlos de Laclos
- liaisons dangereuses, volume 2 (of 2) Choderlos de Laclos
- Life and Gabriella: The Story of a Woman's Courage Ellen Anderson Gholson Glasgow
- Light-Fingered Gentry David Graham Phillips
- Light That Failed Rudyard Kipling
- Lilian Arnold Bennett
- Lilith : A novel Emma Dorothy Eliza Nevitte Southworth
- Lily of the Valley Honoré de Balzac
- Limitations: A Novel E. F. Benson
- Lion's Mouse C. N. Williamson and A. M. Williamson
- Lion's Share Arnold Bennett
- Literary Sense E. Nesbit
- Little Gray Lady Francis Hopkinson Smith
- Little Moment of Happiness Clarence Budington Kelland
- Log of the "Jolly Polly" Richard Harding Davis
- Lonely Stronghold Mrs. Baillie Reynolds
- Lonely Unicorn: A Novel Alec Waugh
- Lonely Warrior Claude C. Washburn
- Long Run Edith Wharton
- Louie's married life Sarah Doudney
- Louisa Pallant Henry James
- Louise et Barnavaux (French) Pierre Mille