Author
Infobase,
51
BBC (Firm)
12
Global Screen
10
BBC Worldwide Learning
6
Video Education America
6
Balanga (Firm)
5
Films for the Humanities & Sciences (Firm)
4
Infobase
4
BBC Worldwide Ltd
3
555 Productions (Firm)
2
Cable News Network
2
Filmhub (Firm)
2
MVD (Firm)
2
Arte France cinéma (Firm)
1
Film Ideas (Firm)
1
Off the Fence Productions
1
Prime Entertainment Group (Firm)
1