Gregory, John Milton, 1822-1898. The seven laws of teaching / John Milton Gregory - Rev. ed. / by William C. Bagley and Warren K. Layton. - Grand Rapids, Baker Book House, 1954. - 128 p. 23 cm. Reprint of the 1917 edition . ISBN: 0801036526 LCCN: 54002442 Subjects--Topical Terms: Teaching Dewey Class. No.: 371.3 / G822L