Issues for 1977-1979 include also Special List journals being indexed in cooperation with other institutions. Citations from these journals appear in other MEDLARS bibliographies and in MEDLING, but not in Index medicus.

"This compilation will provide ready reference for potential toxicity of chemicals found in the workplace, and should be useful to occupational health physicians, industrial hygienists, toxicologists, and researchers." Alphabetical arrangement by substances. Entries include such details as molecular weight, Wiswesser Line Notation, synonyms, and reference from which data about toxicity derived. Miscellaneous appendixes, including one titled Aquatic toxicity. Bibliographic references.