000K  utf8
1500  fre
4000  [Lieutenant General] Frederick Louis [Hereditary Grand Duke] of Mecklenburg-Schwerin. [Letter to Major General Aleksandr Ivanovich Chernyshev]
4000  Фридриха Людвига Мекленбург-Шверинского
4060  16
4961  https://ditav.gbv.de/receive/lod_mods_00000594