Columbia subject headings:
Engineers--Soviet Union--Biography.
Krasin, L. B. (Leonid Borisovich), 1870-1926.
Revolutionaries--Soviet Union--Biography.
Soviet Union--History--Revolution, 1917-1921.
Harvard subject headings:
Diplomats--Soviet Union--Biography
Krasin, L. B. (Leonid Borisovich), 1870-1926
Soviet Union--Foreign economic relations.
Soviet Union--Foreign relations--1917-1945.
Soviet Union--Officials and employees--Biography.
Princeton subject headings:
Engineers--Soviet Union--Biography.
Krasin, L. B. (Leonid Borisovich), 1870-1926.
Revolutionaries--Soviet Union--Biography.
Soviet Union--History--Revolution, 1917-1921.