The card catalogue contains the entire Library collection up to 2000.
Library's online catalogue contains:
- New books obtained since 1990
- Official publications of the Republic of Croatia, the Republic of Slovenia, the Republic of Bosnia-Herzegovina and the Republic of Macedonia
- Current Croatian and foreign serial titles
- Electronic material (CD-ROM)
The Library began indexing by use of the Eurovoc Thesaurus in 2000. The indexing of other records in the Library's database is under way.
The online catalogue is searchable by:
- Names of authors, editors and other contributors
- Names of corporate authors and publishers
- Key words from publication titles
- Subject headings
- International identification designations (ISBN, ISSN)