Columbia subject headings:
Austria--Foreign relations--Russia.
Austro-Hungarian Monarchy. Heer--History--18th century.
Mercenary troops--Austria--History--18th century.
Military assistance, Russian--Austria--History--18th century.
Russia--Foreign relations--Austria.
Russia. Armii︠a︡--History--18th century.
Harvard subject headings:
Austria--Foreign relations--Russia.
Austria--Military relations--Soviet Union.
Austria. Armee--History--18th century.
Austro-Hungarian Monarchy. Heer--History--18th century.
Mercenary troops--Austria--History--18th century.
Military assistance, Russian--Austria--History--18th century.
Russia--Foreign relations--Austria.
Russia. Armii︠a︡--History--18th century.
Soviet Union--Military relations--Austria.
Princeton subject headings:
Austria--Military relations--Russia.
Austria. Armee--History.
Russia--Military relations--Austria.
Russia. Armii︠a︡--History.