Activities of the elementary school principal for the improvement of instruction
Subtitle: the kind of supervisory program which a city superintendent of schools should set up for his elementary school principals
By: by William Penn Dyer ...
Publisher: Teachers college, Columbia university
Published: 1927
Place of publication: New York city
Language: eng
Number of pages: 102
Subjects: School principals; Teaching; School management and organization
Notes: Vita.

Published also as Teachers college, Columbia university, Contributions to education, no. 274.

Thesis (Ph. D.)--Columbia university, 1927.

Bibliography: p. 93-102.