Correspondence, manuscripts, documents and printed materials chiefly concerning members of the Koziul'kin and Butskovskii families, specifically Nadezhda Aleksandrovna Koziul'kina, nʹee Butskovskaia, her husband, Ippolit Arkad'evich Koziul'kin and her grandfather, Mikhail Andreevich Butskovskii, the governor of Lublin province 1860-1880. The cataloged materials, in an album, include notes, autographs and music manuscripts of such individuals as Mattia Battistini, Aleksandr Glazunov, Jules Massenet, Anna Pavlova and Edouard do Reszke. The correspondence consists of personal letters to members of the Koziul'kin and Chivilev families as well as business correspondence from the 1860-1881 period concerning M. A. Butskovskii's real estate affairs. The documents include a variety of official birth, death, marriage and graduation announcements; awards given to I. A. Koziul'kin in both St. Petersburg and at the Russian Embassy in Teheran; contracts; insurance forms; military orders (1884) and reports (1878); real estate documents and I. A. Koziul'kin's service records. The printed materials deal primarily with financial affairs (such as accounts from the Governor General of Warsaw, 1898-1901) and real estate matters associated with M. A. Butskovskii's entailed estate, "Raets," in Radom province, including "Maioraty v tsarstve pol'skom" (1911).