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Image
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3
Non-Commercial Use
3
Category
Mathematics
3
Object type
mathematical toy
3
teaching aid
1
teaching aid; mathematical toy
1
Maker
Discovery Toys
1
Dolch, Edward W. (maker); The Gelles-Widmer Company (distributor); The Garrard Press
1
Edward William Dolch
1
Product Sales International Incorporated
1
The Garrard Press
1
Place of origin
Pleasant Hill
1
Pleasant Hill, California, United States
1
Saint Louis, Missouri, United States
1
St Louis
1
United States
1
Date
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Popper Numbers teaching cards, about 1960
1959-1962
"X from Outer Space"
1986-1990
"Puzzle Patch Picture Puzzles"
1991-1995