Supervision : a social process - Burton, William H. 1890-1964. 4 0 (William Henry),16; (Leo John),;(Arvil Sylvester), 1890-1967,;1892-1962. Brueckner, Leo J.;Barr, A. S.; 5 (New York : Appleton-Century-Crofts, 1955)
Previous editions by A. S. Barr, William H. Burton, and Leo J. Brueckner.;for discarded.
Keywords: 2 -- 0; 6; School supervision. -- 20; 20; 2