Title: Rossii︠a︡ pod nadzorom
Subjects: Police, Records and correspondence, Russia. Sobstvennai︠a︡ Ego Imperatorskago Velichestva kant︠s︡eli︠a︡rīi︠a︡. III otdi︠e︡lenīe, Sources, Secret service, Russia, History, Russia. Sobstvennai͡a Ego Imperatorskago Velichestva kant͡seli͡arīi͡a. III otdi͡elenīe
Places: Russia
Time periods: Nicholas I, 1825-1855