32 parts of orchestra, The source is in three-wing folder with title added: "I[gnacy] F[eliks] Dobrzyński | I Sinfonia op 11 [B dur] | [32 głosy orkiestrowe] | [Rkp] | [Z nut tych grano we Lwowie 20 II 1938 r.], Musical text: TP as initial page without number, heading, p. 1: » I. F. Dobrzyński | I Symfonja, for each part., parts: fag 2, trb, on the end of musical text, respectively: annotations: "dnia 27 II 1938 | [signature, illegible]"; "Kass[...]ader | 20 II 938 [!] r."; vl 2 (1): TP, at te top: annotation "[...] Filharmonia | 20. II. 1938 | [signature, illegible]", stamp with shelfmark olim "7505" on TP for: vl 1 (5, 6), vl 2 (5)., These notes were played in Lviv on February 20, 1938