Author
Infobase,
49
Films for the Humanities & Sciences (Firm)
32
Infobase
32
Trader Multimedia Inc. (Firm)
18
Public Broadcasting Service (U.S.)
8
Arts and Entertainment Network
6
Cambridge Educational (Firm)
6
TVF International (Firm)
5
MVD (Firm)
3
Australian Broadcasting Corporation
2
BBC (Firm)
2
4 Learning (Firm)
1
Allegro Productions (Firm)
1
American Museum of Natural History
1
Autentic Distribution GmbH (Firm)
1
BBC Worldwide Ltd
1
Cerebellum Corporation
1
Economist Group Limited (Firm)
1
Inside Science (Firm)
1
Juno Films
1
Makematic (Firm)
1
National Geographic Society (U.S.)
1
Open University
1
Québec/Amérique International
1
Scorpion TV
1