I'll have some pics and info about my vintage calculators on here soon.
Vintage Calculators are usually considered to be those models which came before the first graphic display calculator (CASIO 1985) which I have owned since they were first released.
Google Directory - Recreation > Collecting > Computers > Calculators
The Museum of HP Calculators
The Old Calculators Web Museum
Vintage Calculators Web Museum
Calculator Collector's Corner
20 years of Calculator history
Rick Furr's Calculator Reference Page
Old HP and TI Calculators
Calculator company list