Five-volume "Consolidated catalog of the Russian book of civil printing of the XVIII century. 1725-1800" (M., 1962-1967) reflected the funds of the five largest libraries of the Soviet Union: the State Library of the USSR named after V.I. Lenin, State Public Library named after M.E. Saltykov-Shchedrin, Library of the USSR Academy of Sciences, State Public Historical Library of the RSFSR, Scientific Library named after A.M. Gorky, Moscow State University named after M.V. Lomonosov. Along with the main task - to make the Consolidated Catalog by the collective efforts of libraries of various departments an exhaustive repertoire of Russian books of the 18th century, this work pursued another important goal - to draw local attention to the identification and preservation of valuable and rare monuments of the Russian press of the 18th century and the preservation of valuable and rare monuments of the Russian press of the 18th century.