Books about Children's stories (sorted alphabetically)
- Nouveaux contes de fées pour les petits enfants (French) comtesse de Sophie Ségur
- Now or Never; Or, The Adventures of Bobby Bright Oliver Optic
- Now or Never; Or, The Adventures of Bobby Bright: A Story for Young Folks Oliver Optic
- Nursery Lessons, in Words of One Syllable Anonymous
- O'er Many Lands, on Many Seas Gordon Stables
- Old Castle and Other Stories Anonymous
- old man's bag T. W. H. Crosland
- Old Willow Tree, and Other Stories Carl Ewald
- Old Wonder-Eyes, and Other Stories for Children Grace Greenwood and L. K. Lippincott
- Olive Leaves; Or, Sketches of Character L. H. Sigourney
- Once upon a time animal stories Carolyn Sherwin Bailey
- Orphan's Home Mittens, and George's Account of the Battle of Roanoke Island Aunt Fanny
- Oscar; Or, The Boy Who Had His Own Way Walter Aimwell
- Oswald Bastable and Others E. Nesbit
- Other Side of the Sun: Fairy Stories Evelyn Sharp
- Our Boys Various
- Our Children: Scenes from the Country and the Town Anatole France
- Our Christmas party Edwin Hodder
- Our Gift Teachers of the School Street Universalist Sunday School. Boston
- Our Little Tot's Own Book Anonymous
- Our Story Book: Jingles, Stories and Rhymes for Little Folks Various
- Our Young Folks at Home and Abroad
- Outward Bound Or, Young America Afloat: A Story of Travel and Adventure Oliver Optic
- Pages for Laughing Eyes Unknown
- Pair of Clogs Amy Walton