TY  - BOOK
AU  - Prince,J.H.
TI  - Visual development
U1  - 591.78 
PY  - 1949///
CY  - Edinburgh
PB  - E. & S. Livingstone
KW  - Eye
KW  - Vision
N1  - library has v.1; Bibliography: v.l, p. 403-406
ER  -