1990-present. Provides author, subject, and citation indexing for articles published in arts and humanities journals. Citation indexing establishes links between cited articles and the most recent publications in which they are cited.

A digital library of journals, academic ebooks, images, and primary sources.

Full-text access to hundreds of scholarly journals and open access ebooks from over 200 university and not-for-profit presses primarily in humanities and social sciences with some science, technology, and math.

1980s-present. Search indexing and abstracts for over 2,800 humanities-related journals, books, and reference sources along with the full text for over 1,800 titles.

Indexes scholarly journals and popular periodicals about popular culture topics.