Creator
- Keiser, Robert A., 1862-19321
- Kerstein, Robert J.1
- Kiefert, Carl1
- King, Julia Linebaugh1
- King-Joyner Family1
- Kirby, David, 1944-1
- Knight and Wall Hardware Company (Tampa, Fla.)1
- Koperski, Sara Jane1
- Krauss, Michael E. (1934-2019)1
- L'Unione Italiana (Tampa, Fla.)1
- Ladies Library Association1
- Laffitte, Rondeau Boyd.1
- Lamarque Sarno, Martha1
- Lampe, J. B. (Jens Bodewalt), 1869-19291
- Larson, Elin Ingeborg1
- Larson, Olga1
- Lassman, Valerie1
- Laurendeau, L. P. (Louis Philippe), 1861-19161
- Lawson, Steven F. (1945-)1
- Leigh family1