TY  - BOOK
AU  - Preyer W
AU  - Brown H W
TI  - Mental development in the child
U1  - 136.7 
PY  - 1901///
CY  - New York
PB  - D. Appleton
KW  - Child psychology
KW  - Differential psychology
KW  - Psychology
N1  - tr. from German
ER  -