 Twenty-four institutions of higher education offer courses in the city, with more than 200,000 students.Jagiellonian University, the oldest university in Poland and ranked by the "Times Higher Education Supplement" as the second-best university in the country, was founded in 1364 as "Studium Generale" and renamed in 1817 to commemorate the royal Jagiellonian dynasty of Poland and Lithuania.Its principal academic asset is the Jagiellonian Library, with more than 4 million volumes, including a large collection of medieval manuscripts like Copernicus' "De Revolutionibus" and the Balthasar Behem Codex.