Current Contents gives access to the bibliographic information on articles in journals and magazines and the table of contents of all the issues of the periodicals indexed. 7,500 journals are indexed in science, social sciences, and the humanities. Coverage is 1994 to the present. Dissertation Abstracts provides bibliographic citations, including abstracts, from all subject areas for doctoral dissertations and master's theses completed at over 1,000 accredited colleges and universities worldwide. General Science Abstracts contains citations to articles and book reviews since May 1984.
Coverage ranges from general interest magazines to specialized professional journals.
Medline is an immense database produced by the National Library of Medicine. International coverage of more than 3,500 journals covering all areas of biomedical research. Coverage is 1965 to the present. Papers First covers papers published at conferences, symposiums, workshops, and meetings starting in 1993. WorldCat is the largest bibliographic database numbering over 35 million records.