Duties of school principals : Paul B. Jacobson, James D. Logsdon and Robert R. Wiegman. Jacobson, Paul Benjamin, Logsdon, James D. joint author. Wiegman, Robert R, joint author. School principals. 371.2 JAD Includes bibliographical references. Englewood Cliffs : Prentice-Hall, 1951. 1951. Text 791 p. ; eng