The stocks can be accessed via alphabetical and systematic volume, card index, and computer catalogues. The literature, which has been established for machine-reading since 1992, is catalogued in the common library interlocked network (PICA Catalogue in Göttingen), while journals and series can also be researched comfortably and in their entirety in the Internet.
All the stocks that have been received since 1992 can be seen via the Online Public Access Catalogue OPAC. The cataloguing of older stocks for the network catalogues is in preparation. Electronic ordering, reservation, or extension is not possible. The new acquisitions of the current and last months are listed here.
Online OPAC Holdings
Older stocks can also be found through the central catalogues of Saxony-Anhalt (Zentralkataloge von Sachsen-Anhalt, ZK) where the Leopoldina Library is listed with the outlines Ha2 or SA 1,4. Also, alphabetical and classified catalogues are available in the library.
The GBV – Gemeinsamer Bibliotheksverbund – lists holdings of about 400 libraries in Bremen, Hamburg, Mecklenburg-Vorpommern, Lower Saxony, Saxony-Anhalt, Schleswig-Holstein and Thuringia and offers various data bases and a broad spectrum of information.
The KVK – Karlsruher virtueller Katalog – offers the opportunity to research library and commercial catalogues in Germany and abroad.
The ZDB – Zeitschriftendatenbank – with its more than 1,2 Mio journal titles is the world's largest data base offering titles and stock records of publication series such as journals and newspapers.