The book is a joint Soviet-Czechoslovak-Yugoslav publication of letters from the unique epistolary heritage of M.F. Raevsky. The collection of letters of Russian and foreign Slavic socio-political and cultural figures of the 40-80s of the XIX century, concerning the problems of developing relations between Russia and the Slavic peoples of the Habsburg and Ottoman empires, gives new information on the history of the national movement of Slavic peoples, as well as the history of the development of Slavic studies in Russia and the Austrian monarchy.