TY  - BOOK
AU  - Baumgartner, Bernice B.
AU  - Lynch, Katherine D.
TI  - Administering classes for the retarded : what kinds of principals and supervisors are needed?
U1  - 371.92 
PY  - 1967///
CY  - New York
PB  - The John Day Company
KW  - Special Education
KW  - School Education
ER  -