Duncker & Humblot is a German producer of high-quality academic research and scholarly publications, especially in the fields of law and social science. The Duncker & Humblot eLibrary provides users from the Max Planck Society with access to following products: * e-book collections 2007-2010, containing about 900 e-books in the fields of law, economics, social sciences, history, politics, philosophy and literary studies. * e-book collection Economics 1996–2005, containing about 360 e-books * e-book collection 'Best of reprints' Economics and Finance 1875–1941, containing about 100 e-books The collection is continuously extended by single e-book acquisitions by MPG libraries.

Humanities International Complete is a comprehensive database of humanities content, providing full text of hundreds of journals, books and other published sources from around the world. This database includes all data from American Humanities Index and Humanities International Index plus unique full text content, much of which is not found in other databases. Humanities International Complete is an invaluable resource for students, researchers, and educators interested in all aspects of the humanities, with worldwide content pertaining to literary, scholarly and creative thought. Humanities International Complete is an essential collection for comprehensive coverage of the humanities with full text content.

Project MUSE is a leading provider of digital humanities and social science content for the scholarly community. Since 1995 the MUSE journal collections cover full-text versions of scholarly journals from many of the world's leading university presses and scholarly societies, with over 120 publishers currently participating.

The SpringerLink platform provides MPG staff with access to a huge collection of English and German eBooks from 2005 onwards, as well as the English and the German collection of the Springer Book Archive (1842-2004). In addition, the content of selected book series is available. Includes major reference works and dictionaries. Max Planck researchers who publish a monograph or edited volume with Springer Nature as an Open Access eBook receive a discount on the standard Book Publishing Charge. MPDL covers the costs remaining on a pro rata basis. Further details are available on the MPDL website.