Stenographic report.Part 1. 1st plenary session of the Congress

All-Russian Congress Prof.Unions (3; 1920; Moscow).Stenographic report / WCSPS.The third is.Congress prof.Unions 6-13 Apr.1920 - [Moskva]: State.Publishing.- 26. -.Electronic Source: PBPart 1: 1st plenary session of the congress.- 1921. -146 s .. -.1. All-Russian Congress of Professional Unions (3; Moscow, city; 1920).2. People (collection).BBK 63.3 (2) 61-421Electronic Source: PB