Author
Infobase,
A Tall Order Limited (Firm)
23
National Geographic Society (U.S.)
11
Intelligence² (U.S.)
4
Autentic Distribution GmbH (Firm)
3
Broken Arrow Media (Firm)
1
Java Films (Firm)
1
MacNeil/Lehrer Productions
1
NPO/Netherlands Public Broadcasting (Firm)
1
TV Choice Productions
1
TVF International (Firm)
1