The main database International Index to Film Periodicals contains more than 300,000 article references from more than 300 periodicals. The database, which cumulates citations from the annual printed volume, offers in-depth coverage of the worlds foremost academic and popular film journals from 1972 to the present. Every year more than 12,000 new records are added. Each entry consists of a full bibliographic description and comprehensive headings (biographical names, film titles and general subjects). A separate scientific thesaurus can be used to find links between different subject headings.