Presented is a bibliography of over 100 bibliographies (published in 1963-1975) intended for social workers, teachers, and other professionals working in the field of mental retardation. Entries are arranged alphabetically by author or contributing organization under the following categories: general references, biochemistry, care of the mentally retarded, chromosomal abnormalities, genetics, infectious diseases, intoxication in childhood, mental testing, neurology, nutrition, pathology, psychological treatment, psychology of learning, psychology, syndromes, teratology, and traumatic mental retardation. It is noted that each bibliography selected for inclusion lists approximately 300 or more citations. Such information as author, title, source, publisher, publication date, number of pages, number of citations, a brief description, and ERIC (Educational Resources Information Center) accession number (when applicable) is usually provided. (SB)