Index of journal articles, book reviews, and dissertations on the history and culture of the U.S. and Canada from prehistoric times to the present. Coverage: 1954-present.
Index of journal articles, book reviews, and dissertations on world history (excluding the U.S. and Canada) from 1450 to the present. Coverage: 1954-present.
Index of 1,700 journals in political science and its complementary fields, including international relations, law, and public administration and policy. Coverage: 1975-present.