The three-volume edition of the documents of the Menshevik party, prepared by a group of Russian and American historians and archivists, will make it possible to get acquainted with the unique materials of 1917. They give an idea of ​ ​ the evolution in the position of the Mensheviks on key issues of the revolution: power, war, economic situation - and, most importantly, will help completely change traditional ideas about the Mensheviks. The publication is equipped with introductory articles, comments and scientific reference apparatus.