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The online version of Ulrich&s International Periodicals Directory, which provides information on serials published throughout the world. (more...)
Coverage: Updated weekly
Contains over 225,000 data series across 10 distinct political science categories. Data series span as far back as 1982 and are updated with the collection and publication schedules of original sources. Detailed source information, with links where applicable, is provided for every data series. (more...)
USA Trade Online provides monthly information on U.S. imports and exports on more than 18,000 commodities. (more...)
Coverage: Updated monthly