TY  - BOOK
AU  - Gareth D. Thorne
TI  - Understanding the Mentally Retarded
U1  - 371.94 THO-U 2726 
PY  - 1965///
CY  - New York
PB  - McGraw-Hill Book Company
KW  - Socialism | Evaluation | Education | Psychology
N1  - Include index; Chapter 1; Chapter 2; Chapter 3
ER  -