This directory lists the names of volunteer groups and individuals who transcribe and record books and other reading materials under the Library of Congress' National Library Service for the Blind and Physically Handicapped program. The listing is alphabetical by state. Each entry is assigned an index number and specifies such services as braille transcription, computer-assisted transcription, print enlargements, tape recording, duplication, and binding. Entries also give such braille code specialties as music, mathematics, and specific languages. The directory contains information in separate sections on state special education contacts and proofreaders certified by the Library of Congress. (DB)