DigiZeitschriften is a digital library containing digitized back issues of core German research journals. At the moment the platform provides full-text access to more than 600 journals dating back to 1850. The archive content is edited on an ongoing basis. Any existing gaps will be filled and missing data steadily added. Users from the MPG have access to the complete journal collection, older public domain content is available free of charge to anyone.

The research database "German Literary Expressionism Online", published in 2009, compiles 151 journals, yearbooks, collections and anthologies from the early 20th century, containing 40,000 articles and 79,000 full text pages in total.

Olms Online is an e-book portal providing access to following collections: * Reprints: About 400 volumes with a focus on German language and literature and on philosophy. Olms Online presents titles with additional information. These are reprints with new introductions, afterwords, notes or indexes added by the editors. * Frankfurt and Leipzig Book Fair Catalogues: Book-trade catalogues, generally referred to as book fair catalogues, offer a unique overview of German and European book production over a period of nearly 300 years (1594-1860).

Casalini libri's full text platform offers access to over 29,000 ebooks and 840 ejournals from more than 200 Italian, Spanish, French and Portuguese publishers. Max Planck users have access to: * EIO Monographs - a collection of 1,500 monographs and proceedings in humanities and social sciences from academic publishers in Italy. * EIO Periodicals Archive - pre-2011 content of 221 academic journals published by various Italian publishers.