The union bibliographic/catalogue database

 records: 4.505.911 
COBIB.SI - the union bibliographic/catalogue database

Data contributed by over 430 Slovenian libraries (140,000 links to e-resources, 2.2 million books, 1.5 million articles, 100,000 journals, 100,000 CDs/DVDs, etc.)

Other databases in COBISS.SI system

COLIB.SI - data on Slovenian libraries

CONOR.SI - authority file for personal and corporate names

SGC - .COBISS.SI General List of Subject Headings

CORES.SI - serials: Editors and others

ELINKS.SI - e-publications with records in COBIB.SI