The Central and Eastern European Online Library is a publisher of a wide range of Humanities and Social Sciences journals and ebooks. Access includes more than 1700 journals, but does not currently include ebooks.
EBSCO Information Services is a major US-based provider of library resources and information services. EBSCO's partnership with The Wikipedia Library includes access to multiple databases.
OpenEdition is a publisher of books and journals in the social sciences and humanities. While most of OpenEdition's content is Open Access, they have donated access to Freemium for Journals, an additional collection of 140 usually paywalled journals.
RILM is a publisher of content on the topic of music. This partnership includes access to the RILM Music Encyclopedias as well as MGG Online.
Retrospective Index to Music Periodicals (RIPM) is the largest online collection of rare music periodicals published between 1760 and 1966.