Catalogue of Exhibited Works and Depository Holdings. The online edition Paintings in Museums presents a systematic index of the entire holdings of works, both on display and in deposits, owned by nearly 650 museums in Germany, Austria and Switzerland. A comprehensive and current catalogue for over 178,000 paintings, pastels, gouaches as well as mixed-media works from all ages, genres and styles of about 31,200 artists is therefore available to the user.

Collection of 937 texts about religion and theology, written by 430 authors from the benedictines' abbey St. Walburg in Eichstätt, published between the 16th and the 19th century. Single works have been digitally facsimilized and are available in pdf format. Generally, all sub-disciplines of theology are covered. St. Walburg Abbey is one of the few monasteries that have survived secularization. The monastery's library, the traces of which reach back to the second half of the 15th century, has been preserved completely and is unique regarding its wholeness.

Das "Répertoire International d'Iconographie Musicale" (RIdIM) ist ein internationaler Verbund zur Verzeichnung und Erschließung von Musik- und Tanzdarstellungen im Bereich der bildenden Kunst und des Kunsthandwerks. In der "Datenbank zu Musik und Tanz in der Kunst" der RIdIM Arbeitsstelle Deutschland werden v.a. Objekte aus größeren Museen, Sammlungen und Bibliotheken in Deutschland katalogisiert. Die Erschließung der Kunstwerke in der Datenbank folgt formalen (Künstler, Titel, Entstehungsland, bzw. -ort, Technik, Datierung, besitzende Institution, Inventarnummer, etc.) und inhaltlichen Kriterien (allgemeine und musikalische Ikonographie, Musikinstrumente, allgemeine Beschreibung). Begleitend zur Katalogisierung dokumentiert die Arbeitsstelle die katalogisierten Objekte mit Bildreproduktionen.

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.

Since the publication of its first installment in 1976 the Theologische Realenzyklopädie has provided a comprehensive account of the state of theological research. Some 2000 articles present a multitude of historical and theological data in their context of faith and thought, theology and religion. A multidisciplinary approach integrates into the theological account not only the disciplines of Old Testament and New Testament Studies, Church History, and Systematic and Practical Theology but also Judaic Studies, Religious Studies and Philosophy.