• 1 MERIT Library

• 1 Maps, Atlases
• 1 Photos, Drawings, Prints
• 1 Unspecified
• 1 Videos, Slides, Films

• 1 VHS Videocassettes

• 15 Science
• 6 Study and teaching (Elementary)
• 5 Activity programs
• 4 Study and teaching
• 4 Study and teaching (Primary)
• 3 Educational games
• 2 Aids and devices
• 2 Children's literature
• 2 Electronic circuits
• 2 Electronics
• 2 Geography
• 2 Magnetism
• 2 Magnets
• 2 Mathematics
• 2 Social sciences
• 2 Study and teaching (Early childhood)
• 2 Teaching
• 1 Aerodynamics
• 1 Air pressure
• 1 Auscultation
• 1 Color
• 1 Color & Light
• 1 Color and Light
• 1 Ecology

• 6 Tom Snyder Productions
• 5 Lakeshore Learning Materials (Firm)
• 1 American Educational Products
• 1 Cottam, Clarence, 1899-
• 1 Cumbaa, Stephen
• 1 Delta Education (Firm)
• 1 ETA hand2mind
• 1 ETA/Cuisenaire (Firm)
• 1 Educational Service Center
• 1 Educational Teaching Aids (Firm)
• 1 Elenco Electronics Inc
• 1 FOSS (Program)
• 1 Gabrielson, Ira N., 1889-1977
• 1 Lawrence Hall of Science
• 1 Learning Resources (Firm)
• 1 LittleBits Electronics Inc. (Firm)
• 1 Martin, Alexander C. (Alexander Campbell), 1897-
• 1 Scott Resources, Inc
• 1 Southern Illinois University at Edwardsville
• 1 Thames and Kosmos
• 1 Workman Publishing Company
• 1 Zim, Herbert S. (Herbert Spencer), 1909-1994

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