TY  - BOOK
AU  - Maier,Henry W.
AU  - Erikson,Erik H.,jtcont
AU  - Piaget,Jean,jt,cont
AU  - Sears,Robert R.,jtcont
TI  - Three theories of child development
U1  - 305.231/M217t 
PY  - 1965///, 1969
CY  - N.Y., Evanston
PB  - Harper & Row 
KW  - Child development
N1  - Bibliography, appendix and index at the end
ER  -