Provides information on virtually every active and ceased periodical, annual, irregular publication, and monographic series published throughout the world. This database allows users to retrieve, manipulate, and scrutinize citations from myriad perspectives, including 969 subject categories, keywords, subscription rates, publisher name, title, editor, and more. Updated quarterly, the database also provides contact information for over 80,000 publishers world-wide. With over 215,000 records, Ulrich's International Periodicals Directory is ideal for anyone requiring detailed information on periodicals.