TY  - BOOK
AU  - Burt,Cyril
TI  - The backward child
T2  - The sub-normal school-child,
AV  - LC4601 .B8 1950
U1  - 371.92 
PY  - 1942///]
CY  - London
PB  - University of London Press
KW  - Children with mental disabilities
ER  -