Showing 1 - 2 results of 2 for search 'Trübner,' Refine Results
  1. 1
    The child's conception of the world / by J. Piaget.
    by Piaget, Jean, 1896-1980
    Published 1929
    “...Kegan Paul, Trench and Trubner,...”
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  2. 2
    Judgment and reasoning in the child / by J. Piaget.
    by Piaget, Jean, 1896-1980
    Published 1928
    “...Kegan Paul, Trench and Trubner,...”
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