Fourth All-Russian Congress of Trade Unions (May 17-25, 1921)

All-Russian Congress Prof.Unions (4; 1921; Moscow).Fourth All-Russian Congress of Professional Unions (May 17-25, 1921): Stenatogr.Report: [Works of the Plenum and Sections].Part 1, Ch. 2, Plenums.Sections.- Moscow: B. and., 1921. -196, 246, [1] with.;26. -10000 Ex..Electronic Source: PB