000K  utf8
1500  fre
4000  Letters [from the British Minister Plenipotentiary to St Petersburg, Lord Charles Whitworth] to [the Russian Minister Plenipotentiary to Warsaw, Governor of Wilno and Hrodna,] Iakov Ivanovich Bulgakov
4000  Письма к Булгакову, Якову Ивановичу
4060  10
4961  https://ditav.gbv.de/receive/lod_mods_00000856