We operate a library and an archive with professional literature. We focus on materials from the 19th century, but also works from earlier historical periods. We acquire, process and make available to users musical material in classical and electronic form. We carry out research. We ensure the preservation of musical materials.

Offering library services with a focus on earth science publications from around the world in both print and electronic formats. Free internet access is available.

Offering library services of a nationwide scientific and technical library. We focus on specialized literature. We organise training courses on topics in the fields of geodesy, geography, geodynamics, metrology and land registration.

Operation of a library for the use of the court.

Loan of historical and regional literature and periodicals.

We operate a library providing public library and information services with a focus on philosophy and related humanities disciplines. The library's collection includes unique units of domestic and foreign literature.

Offering library services with a focus on professional literature.

We offer library services with a focus on professional literature.

We operate a library with the possibility of borrowing Bulgarian literature, Bulgarian translations of world classics, scientific literature, dictionaries and textbooks in Bulgarian. Titles are divided into lists of fiction, educational literature, catalogues and periodicals, maps and guides.

Operation of a library with French literature in original and Czech translation, newspapers, magazines, DVDs, CDs. Information about French realities.

Offering library services focusing on economic literature. Available volumes of monographs, journals, grey literature, statistical and archival documents in microeconomics, macroeconomics, econometrics, financial economics and banking, transition economics and many other fields.