TY  - GEN
AU  - Heber, Rick
TI  - BIBLIOGRAPHY OF WORLD LITERATURE ON MENTAL RETARDATION, JANUARY 1940-MARCH 1963
U1  - 016.37192 
PY  - 1963///
CY  - Washington
PB  - U. S. Dept. Of Health, Education And Welfare, Public Health Service
KW  - Mentally Handicapped -- Bibl
N1  - ...Suppliment 1- ; March 1963- Bethesda, Md. 1965-
ER  -