We operate a professional library. The library contains 14000 library units. The book collection includes mainly specialist literature from the social and natural sciences of the late 19th and early 20th centuries, as well as some specialist journals and regional literature.

We operate a library with a focus on specialist literature in the sciences. We keep records of more than 25,000 printed documents.

The collection contains, for the most part, religious literature of Catholic and Protestant provenance published before 1860. Another group consists of manuscripts, mainly chronicles and various manuscript documents. Periodicals and manuscript materials are also part of the collection.

Offering historical and regional literature. We specialize in the fields of social sciences, mainly history, ethnography, archaeology, nature, history and art history of the Wallachia region or documents necessary for the professional work of the museum staff and the professional public.

The library is temporarily out of service The museum library has its own specific areas. The historical value of its content makes the library one of the most important collections of its kind in the region. The Piarist Library's collection of 5,000 volumes of old prints is significant.