Columbia subject headings:
Harvard subject headings:
Dzerzhinskiĭ, F. Ė. (Feliks Ėdmundovich), 1877-1926
Quality of work life--Soviet Union.
Soviet Union--Economic conditions--1917-1945.
Princeton subject headings:
Dzerzhinskiĭ, F. Ė. (Feliks Ėdmundovich), 1877-1926.
Quality of work life--Soviet Union.
Soviet Union--Economic conditions--1917-1945.