An archive of scholarly journals. Content spans many disciplines, primarily in the humanities and social sciences. The most recent 3-5 years of journals are generally not available.
A comprehensive index and bibliography of philosophy maintained by the community of philosophers. PRI (Philosophy Research Index) is now consolidated with PhilPapers.
Open Access collection of digitized sheet music. Also provides tools and services that promote access to and use of online sheet music collections by scholars, students, and the general public.