1. YNU Library
2. Search & Find
3. Libraries in the World

Union Catalog

• WorldCat (OCLC)
• Library of Congress Z39.50 Gateway to Libraly Catalogs (USA)
• COPAC (UK)
• Karlsruhe Virtueller Katalog (Germany)
• Catalogue collectif de France (France)

Libraries of the World

• National Library of Korea (South Korea)
• National Library of China / National Digital Library of China (China)
• Library of Congress (USA)
• Library and Archives Canada (Canada)
• British Library (UK)
• National Library of Australia (Australia)
• Deutsche Bibliothek (Germany)
• Bibliotheque nationale de France (France)