Jagiellonian Library
Jagiellonian Library (, popular nickname "Jagiellonka") is the library of the Jagiellonian University in Kraków and with almost 6.7 million volumes, one of the biggest libraries in Poland, serving as a public library, university library and part of the Polish national library system. It has a large collection of medieval manuscripts, for example Copernicus' "De Revolutionibus" and Jan Długosz's "Banderia Prutenorum", and a large collection of underground literature (so-called "drugi obieg" or samizdat) from the period of communist rule in Poland (1945–1989). The Jagiellonian also houses the "Berlinka" art collection, whose legal status is in dispute with Germany.
University of Oklahoma
The University of Oklahoma Library system has its headquarters in Bizzell Memorial Library. The largest research library in Oklahoma, it contains over 4.7 million volumes and is ranked 27th out of 113 research libraries in North America in volumes held. It contains more than 1.6 million photographs, subscriptions to over 31,000 periodicals, over 1.5 million maps, government documents dating back to 1893, and over 50 incunabula. It has eight locations on campus. The primary library is Bizzell Memorial Library, located in the middle of the main campus. Other notable campus libraries include the Architecture Library, the Engineering Library, the Fine Arts Library, the Physics and Astronomy Library, and the Geology Library. The OU library system contains many unique collections such as the History of Science Collections (which houses over 94,000 volumes related to the history of science, including hand-noted works by Galileo Galilei), the Bizzell Bible Collection, and the Western History Collection.