The Music Department of the National Library of the Czech Republic has recently made 40 manuscripts accessible. They are (exceptionally autographic) scores mostly from the second half of the 18th century and from the first half of the 19th century. The authors of the individual works include i.a. Josef Mysliveček, František Xaver Brixi, Jakub Jan Ryba, Vincenc Mašek, Leopold Koželuh, Jiří Ignác Linka and Jan Křtitel Vaňhal.