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Leipzig: Wednesday, 30.04.2025

The reading rooms in the main building of the German National Library in Leipzig will close at 14:00 due to an event. The museum reading room, the music reading room and the service area are open until 18.00. The exhibitions of the German Museum of Books and Writing will open from 10:00 to 18:00.

Frankfurt am Main: Repair work telephone system

On 2 May, the Frankfurt site of the German National Library will be unavailable by telephone from 9.30 - 11.30 due to repair work.

Are ISSN also assigned to online publications/blogs?

Yes. ISSN can also be assigned to online publications or blogs if these are serial publications that are numbered or dated. ISSN are not assigned to mailing lists, websites with descriptions of customer offers and services provided by companies, or purely private websites.

Are you unsure whether your online publication or blog meets these criteria? We will gladly check this for you if you send us the internet address. Just send an e-mail to issn@dnb.de .

In general, you can only request an ISSN for online publications after they have been published in the internet. Please include the activated main internet address with your application.

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