Biblioteka Jagiellońska, Kraków

Biblioteka Jagiellońska is the Jagiellonian University’s library, housed here at 22 Adam Mickiewicz Avenue. Its history begins in 1364 alongside the university, although its early books were divided among separate colleges and faculties instead of gathered in one library. Collegium Maius remained its main home until 1940.

The complex you see was built between 1931 and 1939 from a design by Wacław Krzyżanowski. Later extensions enlarged it from 1961 to 1963 and again from 1995 to 2001. Inside are almost 6.7 million volumes, making this one of Poland’s largest libraries and part of the national library system.

Its treasures include Copernicus’s handwritten manuscript of De revolutionibus, the work that sets out a Sun-centred model of the universe, as well as medieval manuscripts and forbidden underground publications from Poland’s communist era. The library also played a quiet role during the German occupation: Polish staff enabled students attending clandestine classes to use the collections unofficially. That makes this building not merely a storehouse of books, but a place where learning endured when formal education was suppressed.