000K  utf8
1500  rus
4000  Letters [from the Russian Envoy Extraordinary and Minister Plenipotentiary to the Ottoman Porte, Iakov Ivanovich Bulgakov,] to [Collegiate Councillor,] Sergei Lazarevich Lashkarev
4000  Письма к Лашкареву, Сергею Лазаревичу
4060  9
4961  https://ditav.gbv.de/receive/lod_mods_00000804