Jacobson, Paul B., 1901- Duties of school principals / Paul B. Jacobson, William C. Reavis and James D. Logsdon - 2nd ed. - New York : Prentice-Hall, 1950 - xvii, 791 p. : ill. ; 22 cm. - Prentice-Hall education series . Subjects--Topical Terms: School superintendents and principals