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 California, Berkeley Libraries
The University of California, Berkeley's 32 constituent and affiliated libraries together make it the fourth largest university library by number of volumes in the United States, surpassed only by the libraries of Harvard, Yale, and the University of Illinois at Urbana–Champaign. As of 2006, Berkeley's library system contains over 10 million volumes and maintains over 70,000 serial titles.
The libraries together cover over of land and compose one of the largest library complexes in the world. In 2003, the Association of Research Libraries ranked it as the top public and third overall university library in North America based on various statistical measures of quality.