• 4 MERIT Library

• 3 Kits

• 2 Manipulatives (Education)
• 2 Pattern perception
• 2 Study and teaching (Elementary)
• 2 Study and teaching (Primary)
• 1 Arithmetic
• 1 Block building (Children's activity)
• 1 Calculators
• 1 Counting
• 1 Dice in mathematics education
• 1 Educational toys
• 1 Form perception
• 1 Fractals
• 1 Games
• 1 Games in mathematics education
• 1 Geometrical models
• 1 Geometry, Solid
• 1 Graphic calculators
• 1 Logic
• 1 Motor learning
• 1 Symmetry (Mathematics)
• 1 TI-89 (Calculator)
• 1 Texas Instruments programmable calculators

• 2 Learning Resources (Firm)
• 2 Texas Instruments Incorporated
• 1 Cuisenaire Company of America
• 1 Educational Insights, Inc
• 1 Invicta Plastics
• 1 Johnson, Beverly, 1952-
• 1 Pelletier, Marc
• 1 Sherman, Sheldon G

• 8 English
• 1 Unknown

• 4 Manipulatives (Education)
• 1 Dice
• 1 Educational games
• 1 Educational toys
• 1 Juvenile literature
• 1 Puzzles and games
• 1 Scientific apparatus and instruments

Limit year range