Columbia subject headings:
Harvard subject headings:
Kalakut︠s︡kiĭ, Nikolaĭ Veniaminovich, 1831-1889.
Metallurgists--Soviet Union--Biography.
Princeton subject headings:
Artillery--Russia--History.
Kalakut︠s︡kiĭ, Nikolaĭ Veniaminovich, 1831-1889.
Metallurgists--Russia--Biography.