000K  utf8
1500  fre
1500  rus
1500  tur
4000  List of the officials of the Russian Embassy in Constantinople imprisoned with him [the Russian Envoy Extraordinary and Minister Plenipotentiary to the Ottoman Porte, Iakov Ivanovich Bulgakov,] in the Ottoman Porte
4000  Список чиновников русского посольства в Константинополе, находившихся с ним в заключении в Турции
4060  8
4961  https://ditav.gbv.de/receive/lod_mods_00000797
5550  imprisonment of the Russian diplomats
5550  Russo-Turkish War (1787-1791)