Cover title: Combined retrospective index to journals in history, 1838-1974.
World history. v. 1. Africa-China --v. 2. Colombia-Europe, Eastern, Central and Southern --v. 3. Europe in general-Latin America in general -- v. 4. Mexico-West Indies and Caribbean area -- United States. v. 5. Chronological categories and Aerospace-Army -- v. 6. Biography and geneology -- v. 7. Black history-Elections -- v. 8. Foreign policy-Religion and social history -- v. 9. Science, medicine and culture-West and frontier thesis -- v. 10-11. Author index