A course of study for the elementary schools of Wisconsin. Issued by John Callahan, state superintendent. - Madison, Wis., 1922. - 383 p. illus., diagrs. 23 cm. Contains references. LCCN: e 23000332 Subjects--Topical Terms: Education.Education--Curricula--Wisconsin. LC Class. No.: LB1561 / .W69 1922