Columbia subject headings:
Partīi︠a︡ sot︠s︡īalistov-revoli︠u︡t︠s︡īonerov--History.
Harvard subject headings:
Partīi︠a︡ sot︠s︡īalistov-revoli︠u︡t︠s︡īonerov--History.
Princeton subject headings:
Partīi︠a︡ sot︠s︡īalistov-revoli︠u︡t︠s︡īonerov--History.
Ural Mountains Region (Russia)--Politics and government.