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Jacob Boehme
Encyclopedia of Sociology
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The Early Growth of Logic in the Child: Classification and Seriation
Jean Piaget & Bärbel Inhelder
Piaget: With Feeling : Cognitive, Social, and Emotional Dimensions
Philip A. Cowan
The Languages and Linguistics of Australia: A Comprehensive ...
Harold Koch & Rachel Nordlinger
The art of solving problems: Comparing the similarities and ...
David Gonzalez