- Catalogues
- Sub-catalogues and special inventories
- Digital Library
- Baden-Württemberg
- Nationwide literature search
- Book trade
Book trade
Germany
International
- Barnes&Noble.com (USA)
- WHSmith (UK, USA)
- Fnac.fr (France)
- Amazon.fr (France)
- Chapitre.com (France)
- Fnac.es (Spain)
- E-Libro.net (English and Spanish books)
- Casalini Libri (Italy)