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Publication coverage: Geology of North America: 1693 - present ; Geology worldwide: 1933 - presentEstablished by the American Geological Institute (AGI) in 1966, GeoRef indexes over several thousand journals in 40 languages as well as books, maps, reports, most U.S. Geological Survey publications, and American and Canadian masters and doctoral theses.
Publication coverage: 8th - 20th centuriesFull-text access to scholarly editions of the complete works of Goethe, Schiller, Kafka and Brecht, as well as 5 centuries of German poetry and a comprehensive library of German literature, philosophy, politics and history from the 8th - 20th centuries.
Publication coverage: 1223 – 21st centuryGlobal Commodities: Trade, Exploration & Cultural Exchange is collection of digitized primary sources documenting the historical trade of fifteen major global commodities.
Publication coverage: 1910 - presentGLOBAL HEALTH brings together the resources of two internationally renowned databases - the Public Health and Tropical Medicine (PHTM) database, previously produced by the Bureau of Hygiene and Tropical Diseases (BHTD), and the human health and diseases information extracted from CAB ABSTRACTS.