FOR GRADES ONE TO EIGHT
BY
ERNEST HORN, Ph.D.
PROFESSOR OF EDUCATION AND DIRECTOR OF THE UNIVERSITY ELEMENTARY SCHOOL THE STATE UNIVERSITY OF IOWA
AND
ERNEST J. ASHBAUGH, Ph.D.
ASSOCIATE PROFESSOR OF EDUCATION AND CHIEF OF THE BUREAU OF EDUCATIONAL TESTS AND MEASUREMENTS THE STATE UNIVERSITY OF IOWA
PHILADELPHIA, LONDON, CHICAGO J. B. LIPPINCOTT COMPANY
COPYRIGHT, 1920, BY J. B. LIPPINCOTT COMPANY
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