History, Literature, and Health Encyclopedias. Content is from 2700 B.C. to 2020 A.D. and includes primary source documents. Coverage dates: 2004 - 2022
Encyclopedias, dictionaries, thesauri, quotations, and subject-specific titles across all areas of research. Some images, video, and audio files. Coverage dates: 1966 - current.
Scholarly journals from first issue to 3-5 years ago, plus scholarly ebooks. Multiple subjects, especially strong in arts and sciences. Coverage dates: 1800 - present
Government information, ebooks, and primary sources from a variety of places, including Google, the Internet Archive, and libraries around the world. Coverage dates: 1850 - present