Columbia subject headings:
Communism--Soviet Union--History.
Diplomats--Soviet Union--Biography.
Vorovskiĭ, V. V. (Vat︠s︡lav Vat︠s︡lavovich), 1871-1923.
Harvard subject headings:
Communism--Soviet Union--History
Diplomats--Soviet Union--Biography
Vorovskiĭ, V. V. (Vat︠s︡lav Vat︠s︡lavovich), 1871-1923
Princeton subject headings: