Libraries and Books
- E-Books and Full Texts
- Libraries and Virtual Libraries
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- Copac academic and national library catalogue (UK and Ireland)
- Departmental Library (University of Gießen)
- Digital Library (University of Gießen)
- Karlsruher Virtueller Katalog
- Library of Congress (Washington)
- National and University Library Düsseldorf
- National and University Library Göttingen
- The British Library (London)
- The WWW Virtual Library
- University Library (Gießen)
- Virtual Library of Anglo-American Culture