StabiKat displays records from the individual data sources where access to the medium (print/online) is possible.

National Licenses Articles

• Source: https://kxp.k10plus.de/DB=1.55/
• Scope: 71,743,140 records (as of 11/2024)
• Percentage of online media: 100%
• Content: Online articles from approximately 30 databases and nearly 18,000 journals, covering publications from around 1740 to 2010, across disciplines, languages, and publishers.
• Special features: Includes searchable abstracts and descriptive keywords in various languages. Full-text search is not available.

SBB-Crossref

• Source: https://www.crossref.org/
• Scope: 64.357.130 records (as of 11/24)
• Percentage of online media: 100%
• Media type: 100%  articles
• Content: A subset of the full source, covering publications from approximately 1665 to the present, interdisciplinary, and predominantly in English.
• Special Features: Includes citations from OpenAlex, with some records offering searchable abstracts. Subject-based and full-text search is not available.

GBV Union Catalogue

• Source: https://kxp.k10plus.de/DB=2.1
• Scope: 24.371.070 records (as of 11/24)
• Percentage of online media: 24%
• Content:  Approximately 9 million printed books, 4 million e-books, 6 million printed articles, 2 million online articles, and various other special formats (maps, sheet music, manuscripts, etc.), covering all languages, subjects, and publication dates.
• Special features: Some records can be searched thematically using keywords and a basic classification system. Additional information such as tables of contents or reviews is partly included. Some records feature citations from OpenAlex. This collection offers deeper indexing compared to others and links to additional resources like Wikipedia via GND authority data. 

Online Contents Article Database

• Source: https://kxp.k10plus.de/DB=2.3
• Scope: 18.168.517 records (as of 11/24)
• Percentage of online media: 22%
• Content:  14 million printed articles and 4 million online articles, covering publications from 1800 to the present, interdisciplinary with a focus on Western European languages.
• Special features: Includes some keyword indexing and basic classification. Some records contain citations from OpenAlex.

JSTOR Digital Library

• Source: https://www.jstor.org/
• Scope: 13.888.499 records (as of 11/24)
• Percentage of online media: 100%
• Content:  Predominantly English-language publications spanning from 1600 to the present, interdisciplinary.
• Special features: Does not include JSTOR images. Some records feature searchable abstracts, but full-text search is not available.

DOAJ Directory of Open Access Journals

• Source: https://www.doaj.org/
• Scope: 10.079.655 records (as of 11/24)
• Percentage of online media: 100%
• Content: Open Access publications, interdisciplinary, predominantly English-language articles, with a focus on literature from 2000 onward.
• Special features: Full-text search is not available. Keyword-based subject search is partially supported.

Springer

• Source: https://link.springer.com/
• Scope: 4.791.826 records (as of 11/24)
• Percentage of online media: 100%
• Content: Open Access publications, interdisciplinary with a focus on STEM fields, predominantly English-language articles, covering literature from 1853 onward.
• Special features: Full-text search is not available. Subject search is partially supported.

Wiley

• Source: https://onlinelibrary.wiley.com/
• Scope: 1.448.383 records (as of 11/24)
• Percentage of Online media: 100%
• Media type: 100% articles
• Content: Open Access publications, interdisciplinary with a focus on medicine and STEM fields, predominantly English-language articles, covering literature from 1895 onward.
• Special features: Full-text search is not available, and subject indexing is minimal (only partly with basic classification

The Basic Classification (BK) is a simple scientific classification system with a flat hierarchy of 48 main classes and a total of around 2100 subclasses. When researching, it is particularly suitable for the subsequent narrowing down of search results to certain aspects of a subject area and for browsing in a class with similar subject matter. Only some of the media acquired between 1945 and 1999 have been systematically processed with the BK.

The reading room classification (only in german) assists you in thematic searches for volumes in the reference holdings of the general reading rooms of both houses, the Rare Books Reading Room and the Eastern European Reading Room. Important electronic resources are also assigned to these classification points.
The results are displayed in StaBiKat classic.

The Historical Classification Online offers a subject search for about 3 million books and periodical volumes of the Staatsbibliothek published between 1501 and 1955. It is possible to browse the systematic classification or to search with different search terms over more than 225,000 subject access points. There are direct links to bibliographic records in the online catalogue StaBiKat classic. The basis is the Old Subject Catalogue (Alter Realkatalog - ARK) - a subject catalog in volume form.
The results are displayed in StaBiKat classic.

Database Information System (DBIS)

see Handschriften und Historische Drucke / Recherche und Ressourcen (German only)

Oriental Manuscripts see Qalamos

• IKAR - Old maps database (pre-1850)
• Topographic map series

See also Map Department: Search

• Musik-IPAC Image catalogues

See also Music Department: Search and resources

Qalamos Metadata and digitised copies of Oriental manuscript collections in Germany

see also Oriental Department / Search and Resources

• Online catalogue of the East Asia Department

See also East Asia Department: Search

• Zeitschriftendatenbank German Union Catalogue of Serials (ZDB).
• Electronic journals library (EZB): Thematically ordered access to scientific full-text journals subscribed by the Staatsbibliothek as well as freely accessible journals.

• Zeitschriftendatenbank German Union Catalogue of Serials (ZDB)
• ZEFYS Newspaper information system for historical newspapers
  The World of Newspapers - Newspapers from all over the world
•  
• see also Fachgebiete / Zeitungen (German only)