John C. Gifford (1946). "Some Reflections on the Florida of Long Ago"(PDF). Tequesta: The Journal of the Historical Association of Southern Florida (6). University of Miami: 42. Retrieved 27 September 2018.
fun4gatorkids.com
"Fun 4 Gator Kids". Archived from the original on July 25, 2011. Retrieved July 6, 2011. "Fun 4 Gator Kids — Cellon Live Oak", Retrieved 2011-07-06
Borland, Timothy (July 22, 2011). "Treehugger 4: Duffie Live Oak". Mobile Bay Magazine. PMT Publishing. Archived from the original on May 12, 2014. Retrieved November 13, 2012.
"Fun 4 Gator Kids". Archived from the original on July 25, 2011. Retrieved July 6, 2011. "Fun 4 Gator Kids — Cellon Live Oak", Retrieved 2011-07-06
Borland, Timothy (July 22, 2011). "Treehugger 4: Duffie Live Oak". Mobile Bay Magazine. PMT Publishing. Archived from the original on May 12, 2014. Retrieved November 13, 2012.