A database finding journal articles in environmental science, agriculture, ecosystem ecology, energy. and related fields. Coverage dates: 1888 - present
The geoscience literature of the world, including references to geoscience journal articles, ebooks, maps, conference papers, reports, and theses. Coverage dates: 1785 - present
Journal articles, conference proceedings, patents, and more in the sciences, social sciences, and arts and humanities. A feature of Web of Science is the ability to see which articles have cited a given article. Coverage dates: 1864 - present