Author
Infobase,
153
Public Broadcasting Service (U.S.)
56
MVD (Firm)
30
Junior Ranger Program (United States. National Park Service)
19
United States. National Park Service,
17
United States. Department of Education
13
NewsHour Productions
11
United States. National Park Service
11
Arte France cinéma (Firm)
10
Terrazas, April Chloe,
10
United States. Food and Nutrition Service,
10
Academy Media (Firm)
9
Wildlife Services (U.S.)
9
Centers for Disease Control and Prevention (U.S.),
8
Heinlen, Marieka,
7
Home Box Office (Firm)
7
National Geographic Society (U.S.)
7
Verdick, Elizabeth
7
American Council for Drug Education
6
Colker, Laura J.
6
EBSCOhost
6
Freedman, Russell, 1929-2018
6
Fromm, Megan,
6
Team Nutrition (Program : U.S.)
6
United States. Forest Service
6
Bloom, Harold
5
D'Aulaire, Ingri, 1904-1980
5
Geological Survey (U.S.)
5
Juvenile Collection (Library of Congress)
5
Marrin, Albert
5
McKissack, Pat, 1944-2017
5
ProQuest (Firm)
5
United States. National Aeronautics and Space Administration
5
Wildsmith, Brian
5
Aliki
4
ClickView/VEA (Firm)
4
Films Incorporated
4
Green, Jaime,
4
Meltzer, Milton, 1915-2009
4
Miller, Debra A.
4
Pinkney, J. Brian,
4
Tehon, Atha,
4
Time-Life Books
4
United States. Bureau of Land Management,
4
United States. Federal Emergency Management Agency
4
Vonnegut, Kurt
4
White House Historical Association
4
Aardema, Verna
3
Ada, Alma Flor
3
Adams, Jan Barrett
3
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