TY  - BOOK
AU  - Tate, Merle W.
AU  - 
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 2
PY  - 1955///46
CY  - New York
PB  - Macmillan
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Education
KW  - Statistics
N1  - Includes bibliographies; 5
ER  -