Author
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Sheedy, Rose
5
Shirts, R. Garry 1934-
1
Sidhu, Raj
1
Simms, Rosie
1
Simulation Training Systems
1
Sinyard, Janet
1
Smith, Dian G.,
1
Spector, Cecile Cyrul, 1936-
1
Spence, Shelley,
1
Super Duper Publications
3
Super Duper Publications (Firm)
77
Super Duper School Company
1
Swearingen, Amber
1
Teacher Created Resources, Inc
2
Technology Services
5
ThinkFun Inc
1
Tobias, Avrom,
1
Trend Enterprises, Inc
2
U.S. Games Systems, Inc
1
United States. National Aeronautics and Space Administration
1
Vaughan, Jack (Illustrator)
1
Vocational English Language Service
2
Walker, Amanda
1
Walker, David (Artist)
1
Ward's Natural Science Establishment, inc
1
Webber, Abigail
1
Webber, M. Thomas
3
Webber, M. Thomas,
1
Webber, Sharon G.
54
Webber, Thomas
1
Webber, Thomas L.
1
Wilson, Thea
1
Wixted, Kristen
1
Young Scientists Club
1
crist, Nancy
1