1. Sources for health instruction materials: a list of organizations, publications, etc., supplementing the information provided in the following article: Steinhaus, A. H. and Fant, K. E., Sources of supplementary materials for health instruction, American journal of public health, 1949, 39: 1407-1416 Publication: Washington, D.C. : National Library of Medicine, Reference Division, [1956] Subject(s): Health Education