Creator
- Luna, Don Tristan de1
- Lupu, Nathan1
- Lux, Bessie Rumph Hiers1
- Lykes Bros., Inc.1
- Lykes Brothers Inc.1
- Lyles, A.C. (Andrew Craddock Lyles, Jr.)1
- Lyren, Carl, 1925-20031
- M. Alonso & Company1
- M. Bustillo & Merriam (Hillsborough County, Tampa, Florida)1
- M. Bustillo and Company (Hillsborough County, Tampa, Florida)1
- M. Valle & Ca.1
- M.H. Smaltz & Son (Womelsdorf, Pennsylvania)1
- MOSAIC, Jewish Life in Florida (Organization)1
- MacDonald, Ingrid1
- MacDonald, Robert1
- MacInnes, Betty1
- MacInnes, Warren R.1
- MacLennan, Rev. Charles "Mac" (1890-1973)1
- MacManus, Elizabeth Riegler (1923-2008)1
- MacManus, Susan A. (1947-)1