TY  - BOOK
AU  - Valentine,Charles Wilfred
TI  - The psychology of early childhood: a study of mental development in the first years of life 
U1  - 136.7 
PY  - 1950///
CY  - London
PB  - Methuen & co. ltd
KW  - Child psychology
KW  - Infant psychology
N1  - "First published, June 25th, 1942 ... Third edition, 1946."; includes index
ER  -