000K  utf8
1500  fre
4000  Letter [from Governor and Castellan of Smolensk, Tadeusz Burzyński,] to [the Secretary to the Russian Embassy in Warsaw,] Bulgakov Iakov Ivanovich
4000  Письмо к Булгакову, Якову Ивановичу
4060  2
4961  https://ditav.gbv.de/receive/lod_mods_00000822