Books about Siblings -- Juvenile fiction (sorted alphabetically)
- Joel: A Boy of Galilee Annie F. Johnston
- John Baring's House Elsie Singmaster
- Kangaroo Hunters; Or, Adventures in the Bush active 19th century Anne Bowman
- Kathie's Soldiers Amanda M. Douglas
- King of Gee-Whiz Emerson Hough
- Kittyleen Sophie May
- Kitty's enemy : or, the boy next door. Eleanora H. Stooke
- Knock Three Times! Marion St. John Webb
- Launch the lifeboat! Mrs. O. F. Walton
- Left to Ourselves; or, John Headley's Promise. Catharine Shaw
- Left with a trust Nellie Hellis
- little Barefoot : A tale Berthold Auerbach
- Little Frankie at School Madeline Leslie
- Little Meg's Children Hesba Stretton
- Little Miss Peggy: Only a Nursery Story Mrs. Molesworth
- Little Mother to the Others L. T. Meade
- Little Nettie; or, Home Sunshine Susan Warner and Anna Bartlett Warner
- Little Pitchers Sophie May
- Little Prudy's Captain Horace Sophie May
- Little Robins Learning to Fly Madeline Leslie
- Little Robins' Love One to Another Madeline Leslie
- Little Skipper: A Son of a Sailor George Manville Fenn
- Little Sky-High; Or, The Surprising Doings of Washee-Washee-Wang Hezekiah Butterworth
- Little Susy's Little Servants E. Prentiss
- London Baby: The Story of King Roy L. T. Meade