RGIA

Uralprofsoet.Trade Unions of the Urals: Report of the Uralprofsovet III region.Congress of Unions.- Sverdlovsk: ed.Uralprofsoveta, 1925. -IV, 175, [1] p.: table .. -Bibliogr.In the settling.Note..1. Territory (collection).Electronic copy source: PBOriginal storage location: Chelyabinsk OUNB