Author
Infobase,
34
Films for the Humanities & Sciences (Firm)
12
Infobase
12
Arts and Entertainment Network
9
Public Broadcasting Service (U.S.)
7
Burns, Ken, 1953-
6
Home Box Office (Firm)
6
Public Broadcasting Service (U.S.),
6
California Newsreel (Firm)
2
Tony Brown Productions
2
Balanga (Firm)
1
Guidance Associates
1
Intelligence2
1
MVD (Firm)
1
Passion River Films
1
South Hill Films
1
TED (Firm)
1
ZED (Firm)
1