In a form of digital copies, there are valuable and interesting collections of manuscripts recorded. There are letters of writers and scholars to Józef Wiśniowski, document of the archbishop Jan Rzeszowski - 1433, proving the fittings of the church in Buszcza village; privilege of organizing market fairs in Łańcut from 1726, issued by king August II; the Sejm speeches from the eighteenth century.
Załuski, Józef Andrzej (1702-1774)
Jabłońska, Helena (1864-1936)
Kostkiewicz, J. (lit.)
Reymont, Władysław Stanisław (1867-1925)
Ricketts, C. L. (il.)
Jabłońska, Helena (1864-1936)
Walter, H. (lit.)
Unczowsk, L. (lit.) Ratsky, J. (lit.)
Konopnicka, Maria (1842-1910)
Konopnicka, Maria (1842-1910)
Władysławowie Dulabowie
Pietkiewicz, Antoni (1823-1903)