Grand Duke Sergey Alexandrovich Romanov: biographical materials. In 5 books. In Russian (ask us if in doubt)./Velikiy Knyaz' Sergey Aleksandrovich Romanov: biograficheskie materialy. V 5 ti knigakh. TT.1-5 (complete set) 1857-1899 Moscow: Publishing House of the Novospassky Monastery. 2512 p. SKUalbdc14c0a9b233388b.