Columbia subject headings:
Harvard subject headings:
Brusnit︠s︡yn, Lev Ivanovich, 1784-1857.
Miners--Soviet Union--Biography.
Princeton subject headings:
Brusnit︠s︡yn, Lev Ivanovich, 1784-1857.
Gold mines and mining--Soviet Union--History.
Prospecting--Soviet Union--History.