Source book in the philosophy of education / William Heard Kilpatrick. Kilpatrick, William Heard, 1871-1965. Education Philosophy. LB875 .K45 1934 370.1 KIS "Index of sources": p. 487-505. New York : The Macmillan company, 1934. 1934. 1934 Text xviii p., 1 l., 535 p. ; eng Text-book series