000K  utf8
1500  fre
4000  Letters [from the Minister Plenipotentiary of Spain to Russia, Manuel González Salmón,] to [the Director of St Petersburg Post Office, Active State Councillor] Konstantin Iakovlevich Bulgakov
4000  Письма к Булгакову, Константину Яковлевичу
4060  4
4961  https://ditav.gbv.de/receive/lod_mods_00000855