International Identifier for serials
and other continuing resources, in the electronic and print world
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The ISSN Network is comprised of ISSN National Centres.
Their activity is coordinated by the ISSN International
Centre located in Paris.
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2.5 million ISSN assigned,
more than 70,000 new ISSN per year and 130,000 ISSN modified per year: https://portal.issn.org
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The ISSN is the international standardized code which identifies all serials, journals, magazines, periodicals irrespective of their medium (print or electronic)
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Navigate the ocean of periodicals with the ISSN: subscribe to the ISSN Portal
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- 2025/11/19 -Charleston Library Conference 2025 By Gaëlle Béquet, 19 November 2025 The 2025 Charleston Library Conference highlighted several major trends currently transforming the academic, documentary and publishing ecosystems in the...
- 2025/10/20 -Opening of the United Arab Emirates ISSN Centre on 21 October 2025 The ISSN International Centre is pleased to announce that the United Arab Emirates will open its own ISSN National Centre on 21 October 2025. This new centre ...
- 2025/09/26 -The Importance of Persistent Identifiers: The Vision of Latindex Carlos Authier (Director of the ISSN Centre in Argentina), Ana María Cetto and José Octavio Alonso Gamboa (in charge of the Latindex network in Mexico) emphas...