The Hellenic ISBN, ISSN, ISMN centre is under the Acquisition Department and is responsible for the International Numbering ISBN, ISSN and ISMN.


The OPAC (Online Public Access Catalog) includes the bibliographic data of all NLG’s material (besides the manuscripts) and provides the user with the possibility of searching through the material by a number of different forms, through the various indexes.

Hellenic National Bibliography

It comprises the official record of the publishing production of our country and it includes print and electronic documents, apart from the periodical publications. It is based entirely on material accumulated by the NLG according to “by law deposit” (Law 3149/2003).

Department of Manuscripts and Facsimiles


The Department of Manuscripts and Facsimiles amasses one of the largest collections of Greek Codices worldwide and valuable archives. This original material is accessible at the manuscripts’ reading room, while part of it can be accessed in digital form.   


Scientific Yearbooks from the Schools of Philosophy of the Universities of Athens and Thessaloniki for the years 1925 to 1977.


e-φημερίς is a digitized collection of newspapers with a search engine