Author
Films for the Humanities & Sciences (Firm)
Infobase
98
WPA Film Library
23
National Archives and Records Service
16
Public Broadcasting Service (U.S.)
7
Eleventh Day Entertainment, Inc
4
BBC Worldwide Ltd
1
Creative Street Entertainment
1
Internet Archive
1
Monterey Home Video (Firm)
1
Moyers, Bill D.
1
National Film Board of Canada
1
Public Affairs Television (Firm)
1