Gattegno, Caleb. What we owe children the subordination of teaching to learning by Caleb Gattegno. - New York Outerbridge & Dienstfrey; distributed by Dutton [1970] - iii, 118 p. Bibliography: p. 117-118. LCCN: 72106612 Subjects--Topical Terms: TeachingEducation--Curricula.