Title: Perepiska Velikogo Kni︠a︡zi︠a︡ Konstantina Konstantinovicha i chlenov ego semʹi s dei︠a︡teli︠a︡mi russkoĭ kulʹtury
Subjects: Correspondence, Sources, History, Nobility, Intellectuals
Places: Russia
People: K. R. Grand Duke of Russia (1858-1915), House of Romanov
Time periods: Nicholas II, 1894-1917