TY  - GEN
AU  - Piaget,Jean
TI  - Postcard of Jean Piaget,
KW  - Bassalier, R.
KW  - Psychologists
KW  - itoamc
KW  - Authors
N1  - Open to research
N2  - Signed postcard (1942 September 18) written by Piaget to R. Bassalier thanking him for the proofs of The Intellectual Development of Children (undated)
ER  -