TL: The database is an index to the history of the United States and Canada from prehistory to the present. Covers over 2,000 journals published worldwide (over 90% in the English-language) and 6,000 citations of book and media reviews and abstracts of dissertations.
TL: The Philosopher's Index is a bibliographic database with informative, author-written abstracts covering scholarly research in all areas of philosophy. The literature covered goes back to 1940 and includes journal articles, books, book chapters such as contributions to an anthology, and book reviews.
The Philosopher's Index monitors over 550 journals from more than 40 countries and is updated quarterly. Extensive indexing includes personal and proper names along with subject terms; there is also the capability to search for the authors of book reviews.
D: Arts, humanities, and sciences database providing some full text access to journals, books, and primary source materials. Select coverage from 17th century to present. May not include most recent years.
TL: Emphasizes both primary and secondary (or theoretical) resources, and defines its audience as people who have something to learn from a higher-education, professional approach to the humanities (which in practice has included students and instructors from the elementary school, high school, and general population sectors)