Eckgren, Betty Lois. 500 live ideas for the grade teacher by Betty Lois Eckgren, Vivian Fishel ; illustrations by Dorothy Todd ; cover by Daty Healy. - New York Harper & Row c1952. - 320 p. ill. 21 cm. Includes index. Subjects--Topical Terms: Creative activities and seat work LC Class. No.: LB1537 / .E3 1952