Douglass, Harl R.
Democratic supervision in secondary schools / Harl R. Douglass, Rudyard K. Bent and Charles W. Boardman. - 2nd ed. - Boston : Houghton Mifflin, c 1961. - xii, 354 p. ; 22 cm.
Includes index.
93 93
School supervision.
Secondary. --High schools.
373 / D265d
Democratic supervision in secondary schools / Harl R. Douglass, Rudyard K. Bent and Charles W. Boardman. - 2nd ed. - Boston : Houghton Mifflin, c 1961. - xii, 354 p. ; 22 cm.
Includes index.
93 93
School supervision.
Secondary. --High schools.
373 / D265d