Garvey, Mona. Teaching displays: their purpose, construction, and use. - Connecticut Linnet Book 1972. - x, 128 p. ISBN: 0208012869 LCCN: 72000270 Subjects--Topical Terms: Teaching--Aids and devices.Bulletin boards.Visual aids LC Class. No.: LB1043.5 / .G3 Dewey Class. No.: 371.33/5