Author
Films for the Humanities & Sciences (Firm)
5
Infobase
5
Infobase,
2
WNET (Television station : New York, N.Y.)
2
Australian Broadcasting Corporation (Firm)
1
BBC Worldwide Ltd
1
Journeyman Pictures (Firm)
1
MacNeil/Lehrer Productions
1
Scheven, Yvette
1
Smiley Film Distribution & World Sales (Firm)
1