Catalogues
- ABTAPL: Union List of Periodicals
- BIBSYS Norwegian Libraries
- Create a Worldcat link
- FIDES Fidkar - library database multibrowser
- Index theologicus
- Internet - Resources in Religion and Theology
- Jesuitica
- LIBIS Catalogue of the University of Leuven and other participating libraries (partners)
- Origene - The French Common Catalogue
- Rachel: Réseau européen des bibliothèques judaica et hebraica
- Sankt Andreas Catalogue
- University of Pennsylvania Library: Electronic Journals
- URBE
- Virtuellen Katalog Theologie und Kirche (VThK)