The Sight saving class exchange /
issued by National Committee for the Prevention of Blindness.

APA Citation

National Society for the Prevention of Blindness. (1924). The Sight saving class exchange. New York, N.Y.: The Committee.

MLA Citation

National Society for the Prevention of Blindness. The Sight Saving Class Exchange. New York, N.Y.: The Committee, 1924.

Warning: These citations may not always be complete (especially for serials).