Columbia subject headings:
Russia--History, Military--To 1801.
Russia--History--Catherine II, 1762-1796.
Ėngelʹgardt, L. N. (Lev Nikolaevich), 1766-1836.
Harvard subject headings:
Russia--History--1801-1917--Sources.
Russia--History--Catherine II, 1762-1796--Sources.
Ėngelʹgardt, L. N. (Lev Nikolaevich), 1766-1836.
Princeton subject headings:
Ėngelʹgardt, L. N. (Lev Nikolaevich), 1766-1836.
Generals--Russia--Biography.
Russia--History--Catherine II, 1762-1796.
Russia--History--Paul I, 1796-1801.