Top Secret! Declassified Documents for Cheap

There are two commercial sites that sell CD's and DVD's of historical media, including scans of top-secret documents that have been declassified. In most cases, each DVD or CD costs only $10! I have built a huge collection of

MULTIMEDIA: from Earthstation1.com Much of it is pop culture but when teaching the Great Depression, where else can I get

*DVDs full of political cartoons on Hoover, FDR, Huey Long, etc. for $10?
*Audio of Hitler, FDR, Neville Chamberlain, Winston Churchill
*Radio shows
*Film reels: propaganda on all sides, Disney and Warner Brothers cartoons showing the racist side of America at the time.

PRINT SOURCES (declassified documents): Paperlessarchives.com

Paperlessarchives takes some searching but there are FBI and CIA files on just about any significant individual or event (even Eleanor Roosevelt's FBI file!). Do search for Martin Luther King, Jr. and you get over 3,000 pages:

http://www.paperlessarchives.com/mlk.html