The library supports the following types of catalogues:

 I. Basic book-stock and periodicals catalogue:

Ø General official catalogue, arranged alphabetically – in two parts: official book catalogue, arranged alphabetically and official alphabetical catalogue of periodicals, arranged alphabetically;

Ø Readers’ catalogue, arranged alphabetically – in two parts: readers book catalogue, arranged alphabetically and readers alphabetical catalogue of periodicals, arranged alphabetically;

Ø Readers’ catalogue, arranged systematically.

II. Catalogues of the different available funds:

Ø Catalogues, arranged systematically: book catalogues of the available funds of the different reading rooms; catalogues of the whole available fund of the reference and bibliographical literature; catalogue of the literature, concerning the region; catalogue of the available book-stock for children.

Ø Catalogues, arranged alphabetically: catalogue of the whole available book-stock for children.

III. Catalogues of the special funds:

Ø Catalogues, arranged alphabetically: catalogue of the graphical issues; catalogue of the musical issues; catalogue of the audio records; catalogue of the cartographical issues;

Ø Catalogues, arranged systematically: catalogue of the graphical issues; catalogue of the musical issues; catalogue of the audio records; catalogue of the cartographical issues.

IV. Other catalogues:

Ø Chronological official catalogue of the early printed issues;

Ø Official catalogue, arranged alphabetically of the private book collections of the writers Konstantin Konstantinov, Petar Dimitrov – Rudar, Nadya Nedelina and Atanas Slavov.

V. Electronic catalogues:

Ø Electronic book catalogue – more than 80 000 records;

Ø Electronic catalogue of the periodicals;

Ø Electronic catalogue of non-traditional bearers of information.