Columbia subject headings:
Labor unions--Soviet Union--History.
Partīi︠a︡ sot︠s︡īalistov-revoli︠u︡t︠s︡īonerov.
Harvard subject headings:
Labor unions--Soviet Union--History
Partīi︠a︡ sot︠s︡īalistov-revoli︠u︡t︠s︡īonerov.
Princeton subject headings:
Labor unions--Soviet Union--History.
Partīi︠a︡ sot︠s︡īalistov-revoli︠u︡t︠s︡īonerov.