Author
Films for the Humanities & Sciences (Firm)
653
Infobase
653
Infobase,
558
SpringerLink (Online service)
350
Global Screen
196
American Public Television
83
Geological Survey (U.S.),
61
Public Broadcasting Service (U.S.)
60
Geological Survey (U.S.)
59
BBC (Firm)
57
SpringerLink (Online Service)
49
Film Ideas (Firm)
41
555 Productions, Inc
39
BBC Worldwide Ltd
38
ScienceDirect (Online service)
34
Oxford Scholarship Online
24
ABC International
23
Canamedia (Firm)
21
National Geographic Television & Film
20
Arte France cinéma (Firm)
18
Parthenon Entertainment (Firm)
17
National Geographic Society (U.S.)
16
Cable News Network
15
EBSCOhost
15
Network Ireland Television
15
United States. Central Intelligence Agency
15
4 Learning (Firm)
14
Cambridge Educational (Firm)
14
Java (Firm)
14
Lambent Productions
14
Brook Lapping Productions
13
Camille S. DeBose (Firm)
13
Electric Sky (Firm)
13
National Geographic Digital Media (Firm)
13
Switch International (Firm)
13
German United Distributors
12
Video Education America
12
Agency for Instructional Technology
11
Journeyman Pictures (Firm)
10
MacNeil/Lehrer Productions
10
Public Affairs Television (Firm)
10
Radiotelevisión Española
10
System TV (Firm)
10
Pumpkin TV (Firm)
9
Video Education Australasia
9
Allegro Productions (Firm)
8
Available Light (Firm)
8
Ebooks Corporation
8
Moyers, Bill D.
8
National Center for Education Statistics,
8
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