Frost, Joe L. The elementary school principles and problems edited by Joe L. Frost [and] G. Thomas Rowland. Contributors: G. Thomas Rowland [and others] - Boston Houghton Mifflin [1969] - 565 p. illus. 24 cm. Includes bibliographies. LCCN: 73007947 Subjects--Topical Terms: Elementary school teaching LC Class. No.: LB1555 / .F88 Dewey Class. No.: 372.1/1