Columbia subject headings:
Osterman, Andreĭ Ivanovich, graf, 1687-1747--Exhibitions.
Russia--History--1689-1801.
Harvard subject headings:
Osterman, Andreĭ Ivanovich, Graf, 1687-1747--Exhibitions.
Russia--History--1689-1801.
Princeton subject headings:
Osterman, Andreĭ Ivanovich, graf, 1687-1747--Exhibitions.
Russia--History--1689-1801.