000K  utf8
1500  fre
4000  Letter [from the U.S. Minister to Russia, Henry Middleton] to [the Director of the St Petersburg Post Office, Active State Councillor] Konstantin Iakovlevich Bulgakov
4000  Письмо к Булгакову, Константину Яковлевичу
4060  2
4961  https://ditav.gbv.de/receive/lod_mods_00000842