Bibliography
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Heinig, Christine. "Educators -- Christmas Toys -- Education." ChildhoodEducation, 1932, vol. 8:181+.
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Sherer, Christopher. Greenbelt Museum docent
Shields, Bonnie. Greenbelt Museum docent
Shields, Lee. Greenbelt Museum docent
Swan, Augusta M. "Toys of All Times." Childhood Education, 1937/1938, vol.14: 170-72.