One Hundred Years of Film Sizes 
Many film sizes have been experimented with in the past. Most of them have never been heard of again. A survey of the history of a number of these gauges.
http://www.xs4all.nl/~wichm/filmsize.htmlFCLS Film-Center
Collecting 8, 16, and 35mm film and information. How to care for, store and collect film. How to project and your home theater. Also includes film sales/trades/auctions.
http://www.film-center.com
HiDef Movies
A resource for producing and distributing high definition digital Movies.
http://www.hidef.com
Letterbox Format Explanation
An explanation of what the Letterbox Widescreen Format is.
http://www.firsttvdrama.com/show2/letterb.php3
Nine Five Movies
Stills from Pathescope 9.5mm films.
http://homepages.paradise.net.nz/ratters
