Academicians A.Y. Krymsky and V. A. Gordlevsky are important figures in the history of Russian classical orientalism and Arab-Muslim studies, in particular the Moscow center of Oriental studies, especially in the field of academic turkology, Ottoman, Arab and Iranian studies, as well as the public life of the Russian Empire and the USSR. They are widely known in the history of humanities in modern Russian Federation and Ukraine. Currently, we are conducting the search, study, systematization and publication of the correspondence by outstanding arabist, semitologist, turkologist, Iranian and Slavic studies scholar A.Y. Krymsky with leading Russian orientalists V.R. Rosen, V.V. Bartold, P.K. Kokovtsov, F.E. Korsch, V.A. Zhukovsky, S.F. Oldenburg, I.Y. Krachkovsky, N.A. Mednikov, V. A. Gordlevsky, B.V. Miller, V.F. Minorsky and other scholars during the period of 1890s to 1930s. The article is devoted to a brief overview of the activities of A. Y. Krymsky (1898 –1918) and V. A. Gordlevsky (1898 –1918) at the Lazarev Institute of Oriental languages and the publication of one extant letter by V. A. Gordlevsky from Konya (Turkey) to A. Y. Krymsky, from the collections of the Institute of Manuscripts of V.I. Vernadsky Scientific Library of Ukraine (Kiev)3 .