Creator
- Kingsbery, A. C.1
- Kirby, David, 1944-1
- Knight and Wall Hardware Company (Tampa, Fla.)1
- Koperski, Sara Jane1
- Krauss, Michael E. (1934-2019)1
- Kurz, Herman1
- L'Unione Italiana (Tampa, Fla.)1
- Ladies Library Association1
- Lamarque Sarno, Martha1
- Lamb, William Lawson (1933-)1
- Larson, Elin Ingeborg1
- Larson, Olga1
- Lassman, Valerie1
- Laura Riding Jackson Foundation1
- Lawson, Steven F. (1945-)1
- Leboucher, John1
- Leboucher, Margaret1
- Leigh, Richard H. (Richard Henry)1
- Leland, Benjamin T., 1920-20161
- Lesley Family1