During the year, Braille books, magazines and music made up approximately 31.5 percent of the material distributed to the schools; Braille slates, Braillewriters, tactile maps and other special devices represented 23 percent; talking books were 2.2 percent; recorded educational tapes were 1.2 percent; large-type textbooks, 36 percent; and, miscellaneous items, 6 percent. The American Printing House for the Blind maintains a continuous program of educational research and development. Its Instructional Materials Reference Center, through the central catalog, furnishes national reference service for all educational materials for the blind, including those produced by volunteers. PUBLIC HEALTH SERVICE CONSUMER PROTECTION AND ENVIRONMENTAL HEALTH SERVICE Page |