300237598 DE-633 20201029163714.0 Boguński, Baltazar 1762-1849 Ascertained pe30024257 [cover title:] Duetto. | Canto, Tenore. | Violino I=|m|o et II=|d|o et | Violino Prinzipalo. | Flauto. | Clarinetto I=|m|o et II=|d|o | Corno I=|m|o et II=|d|o | Clarino | Viola et | Basso. | [later added in pencil:] Bogońskiego | [bottom right in black ink:] Accessit Choro C.M.C. | Anno Dni 1838. | Fr Lucas Grządzielski | Custos Ecclesiae [manu propria] before 1838 01 PL-CZ N-|o 42 N 870/171 247 Klasztor OO. Paulinów Jasna Góra - Biblioteka ks30002070 III-42