- Passau Search Portal
Joint catalogue of Passau University Library and Passau State Library (SB, aka Bavarian Regional Library Passau) plus simultaneous search in the Union Catalogue of Bavaria & Berlin-Brandenburg and in the interdisciplinary article database Primo Central
The third result list "Arcticles & more" contains literature references from the interdisciplinary article database Primo Central.
The Database Information System (DBIS) lists freely accessible and licensed databases from all subjects.
BASE is one of the world's most voluminous search engines especially for academic web resources. BASE provides more than 120 million documents from more than 6,000 sources. You can access the full texts of about 60% of the indexed documents for free (Open Access). BASE is operated by Bielefeld University Library
Google Scholar includes scholarly articles from a wide variety of sources
printed and online, see Newspapers