FM 21-7 List of War Department Films, Film Strips, and Recognition Film Slides, 1946-01-01
"This is one of a series of manuals covering instructional materials for military training. FM 21-5 and TM 21-250 summarize the basic principles of military training and instruction. FM 21-6 lists War Department training publications. This manual deals with all major types of visual and audio-visual aids which are exhibited by projection. FM 21-8 covers other types of training aids, such as models, charts, graphic portfolios and special training devices. The purpose of FM 21-7 is to provide a complete list of War Department films, film strips, and recognition film slides, available as of 1 January 1946, and to tell how these aids may be obtained and used effectively in military training."
Digitized by AHEC (U.S. Army Heritage Collections)
http://www.carlisle.army.mil/ahec/