Pretty cool site for people who enjoy maps of past and present places... This site combines the two...
Check out old Jacksonville!
https://www.historicaerials.com/
Yeah that's a great site.
UF also hosts a bunch of old Florida images going back to the 40s. A little more difficult to navigate but older images. http://ufdc.ufl.edu/aerials
The UF site is great for historic aerials and Sanborn maps. Here's a great free site for historic topo maps:
http://historicalmaps.arcgis.com/usgs/
Spottswood Collection may have a few.....