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Ascension

Closing

Updated on 5 May 2026

The Swiss National Library will be closed on Thursday 14 May 2026 (Ascension).

Information for professionals

Acquisition

The National Library’s mandate is to collect Helvetica: all printed and digital publications relating to Switzerland.

19 January 2026

Cataloguing

The Swiss National Library catalogues its documents and makes them accessible. Descriptive cataloguing and subject indexing are carried out according to international standards. A range of catalogues and bibliographies are available; some can be accessed via the internet while others can only be consulted on site.

19 January 2026

Preservation

The National Library’s mandate is to preserve books and documents for future generations. This requires optimum storage and, in many cases, conservation measures to keep objects in the best possible condition.

12 January 2026

Mediation

In addition to collecting documents, the Swiss National Library ensures that interested parties and researchers can use them.

19 January 2026

e-Helvetica

The National Library collects and archives e-books, e-journals, electronic university publications and websites related to Switzerland (e-Helvetica) in collaboration with national and international partners.

ISSN Centre Switzerland

The ISSN Centre Switzerland is run by the Swiss National Library. It assigns an ISSN (International Standard Serial Number) free of charge to Swiss serial publications.

ISIL Centre Switzerland

In Switzerland, ISIL international standard identifiers for libraries and documentation centres are issued by the ISIL Centre based at the National Library.