Ashlock, Patrick. Educational therapy materials from the Ashlock Learning Center by Patrick Ashlock [and] Marie Grant. With a foreword by Beth Stephens. - Springfield, Ill. Thomas [1972] - xv, 423 p. illus. 23 cm. Bibliography: p. 397-404. ISBN: 0398022186 LCCN: 71161148 Subjects--Topical Terms: Remedial Teaching--Handbooks, manuals, etc. LC Class. No.: LB1029.R4 / A82 Dewey Class. No.: 371.3/078