371.2
A
Ayer, Frod Carloton, l880
The organization of supervision. An analysa
of the organization and administration of supervision in city school systems,by Fred C. Ayer and S, Barr. New York:, London, D. Appleton and company [1928]
xviii, 397 p. ilus. tablas. diagrs. 19cm
"Bibliography"; p. 375-386.