- Kapiolani Home.1
- Kappa Lambda Society, New York.1
- Karlsioe, Wilhelm J., author1
- Karr, Walter G. (Walter Gerald), 1892-1946, author1
- Kaska, Francisco.1
- Kate, Herman F. C. ten (Herman Frederik Carel), 1858-1931, author1
- Katsainos, George M., author1
- Kaufmann, Carl Ernst.1
- Kay, Thomas W. (Thomas Wiles), 1858- author4
- Kay, Thomas W. (Thomas Wiles), 1858-1924 author1
- Kämpf, Moritz K., 1835-1883, author1
- Keasbey & Mattison Company, author.2
- Keating, John M. (John Marie), 1852-18933
- Keating, John M. (John Marie), 1852-1893, author6
- Kedzie, R. C. (Robert Clark), 1823-1902, author3
- Keeley, Leslie E., 1842-19001
- Keely, Isaac I.1
- Keen, William W. (William Williams), 1837-193240
- Keen, William W. (William Williams), 1837-1932 author20
- Keen, William W. (William Williams), 1837-1932, author7