Gemeinsamer Katalog des Max-Planck-Instituts für Biogeochemie und des Max-Planck-Instituts für Chemische Ökologie, Jena.

The Max Planck Institutes are founders of Munich Max Planck Campus for Legal and Economic Research

Gemeinsame Bibliothek beider Stuttgarter MPIs

RePEc is a collaborative effort of hundreds of volunteers in 73 countries to enhance the dissemination of research in economics. The heart of the project is a decentralized database of working papers, journal articles and software components. All RePEc material is freely available.

Mit etwa 2000 Beiträgen bietet die 8. Auflage des Staatslexikons tiefgehende Information und Orientierung zu den zentralen Aspekten gesellschaftlichen Zusammenlebens, wirtschaftlichen Wirkens, politischen Entscheidens und staatlichen Handelns.

The German National Library of Science and Technology (TIB) ‒ Leibniz Information Centre for Science and Technology and University Library is a central specialised library, responsible for operating the German National Library for technology, architecture, chemistry, information technology, mathematics and physics as well as the University Library for Leibniz Universität Hannover. As the world's largest specialised library in its fields, the library has excellent collections of technical and scientific specialist and research information.