Find your way through the world of periodicals with
the International Standard Serial Number
The ISSN Portal, published by the ISSN International Centre, allows you to search through the worldwide database of ISSN bibliographic records, identifying and describing more than 2.3 million newspapers, magazines, journals, and continuing resources of all kinds, both print and online, in 234 countries.
ISSN data, provided by a network of 93 National Centers throughout the world, is enriched with information provided by other partners such as Scopus, DOAJ (Directory of Open Access Journals), etc.
Browse our records by ISSN or by continuing resource title from the search bar above, by country using the ISSN World Map, or through the advanced search page.
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Features Free Subscription View and retrieve open data, ISSN / ISSN-L, Key title, Title proper, Other variant titles, Country, Medium, Links to the resources Full ISSN Profile data (publisher, start year, end year, frequency, language, links to successor and past titles, etc.) Full ISSN records for Open Access resources (ROAD) Archival status & electronic archive coverage dates (Keepers) Over 2.3 million confirmed ISSN records 90K Provisional ISSN records, 169K legacy ISSN records Save records & searches & download in different formats : MARC 21 (see the ISSN-MARC 21 profile), UNIMARC, MARC XML, RDF/XML, RDF turtle, Json Customized user profiles Save searches Expert Search (using 25 indexed fields), index browsing & advanced search filters Batch ISSN search City level geographic search Retrieve Full Linked data Navigation using relationship links & publication history Modification requests