Author
Infobase,
56
American Academy of Pediatrics
12
BBC Worldwide Learning
9
Ivanhoe Broadcast News (Firm)
8
Cerebellum Corporation
5
Australian Broadcasting Corporation
4
Films for the Humanities & Sciences (Firm)
4
Infobase
4
Public Broadcasting Service (U.S.)
3
Cable News Network
2
Inside Science (Firm)
2
Journeyman Pictures (Firm)
2
TED (Firm)
2
Anspaugh, David J.
1
Arte France cinéma (Firm)
1
Canadian Broadcasting Corporation
1
Capital Media Group, Inc. (Firm)
1
Economist Group Limited (Firm)
1
Filmoption International (Firm)
1
Hamrick, Michael H.
1
MacNeil/Lehrer Productions
1
Maffetone, Philip
1
Makematic (Firm)
1
National Geographic Digital Media (Firm)
1
Network Ireland Television
1
Parthenon Entertainment (Firm)
1
Pipas, Catherine Florio,
1
Rosato, Frank D.
1
Sehnert, Keith W.
1
Vinland National Center
1