Bibliographer D.V. Ulyaninsky's Letters to the Scholars and Cultural Actors

This article contains 19 letters from the well-known bibliographer and bibliophile D.V. Ulyaninsky (1861–1918) to the scholars and cultural actors I.N. Elchaninov, P.A. Efremov, I.M. Kartavtsov, A.V. Polovtsov, V.V. Rummel, L.M. Savelov, V.I. Saitov, A.A. Sivers, A.A. Titov, M.A. Tsyavlovskii, and V.I. Chernopyatov. The letters, written in 1893–1917, contain information about the formation of Ulyaninsky's library and collection of bookplates, his studies in the field of book culture, his cooperation with voluntary organizations, and his personal relations, lifestyle, and communication style. These egosources, introduced for scientific use for the first time, are of significant value for the history of Russian science, genealogy, bibliography, and Russia's intellectual life on the cusp of the 19th and 20th centuries.