Volume 2 is arranged alphabetically by periodical title, rather than by abbreviation.

Volume 1 is a comprehensive dictionary with more than 230,000 entries. It covers periodicals from a wide variety of subjects, including: science, social sciences, humanities, law, medicine, religion, library science, engineering, education, business, and art. Volume 1lists, in a single in letter-by-letter sequence, abbreviations commonly used for periodicals together with their full titles.

Vols. 7-42 include the Proceedings of the annual meeting of the American Institute of Nutrition, 1st-9th, 11th-14th, 1934-1942, 1947-1950 (1st-8th, 1934-1941, issued as supplements to the journal).

A union list of serials commencing publication after Dec. 31, 1949.