Guide to Government loan filmstrips, slides, and audio tapes (with separate section on materials for purchase) - 1st ed. - [Alexandria, Va. Serina Press c1971] - 46 p. 23 cm. 920224 LCCN: 74158832 Subjects--Topical Terms: Audiovisual materials.--Catalogs. LC Class. No.: LB1043.Z9 / G83 Dewey Class. No.: 011