Some examples of journals found in ProQuest include The New England Journal of Medicine, American Journal of Respiratory and Critical Care Medicine, American Journal of Public Health, Journal of Clinical Investigation and The Lancet. These journals are part of ProQuest's ProQuest Health & Medical Complete, which combines journals from the Proquest library with the library of other publishers to create one searchable index. ProQuest has several products available to libraries, including International Bibliography of Art, International Index to Music Periodicals and Engineering Research Database.
Other journals available in the ProQuest system include Diabetes, Journal of the National Cancer Institute, The American Journal of Psychiatry, Journal of American Medical Association, Canadian Medical Association Journal and Rheumatology. These journals are part of an index that, as of 2015, cover 576 health and science subjects, including anatomy, biochemistry and microbiology. The journals date back to issues from 1969.
ProQuest offers journals in other fields, such as social science. The ProQuest Social Science Journals library has more than 570 journal titles, as of 2015, covering topics such as family studies, urban studies, international relations and addiction studies. Examples of journals in the ProQuest Social Science Journals library include Spectrum, American Demographics, Journal of Family Issues and The Public Interest. Titles go back to issues from 1994.