Columbia subject headings:
Aegean Islands (Greece and Turkey)--History.
Russia--Foreign relations--Turkey--1689-1801.
Turkey--Foreign relations--Russia--1689-1801.
Harvard subject headings:
Discoveries in geography--History
Explorers--Russia--Biography
Greece--Description and travel--Early works to 1800.
Greece--Foreign relations--Russia--History--18th century.
Greece--Historical geography.
Russia--Discovery and exploration--History.
Russia--Foreign relations--1689-1801.
Russia--Foreign relations--Greece.
Russia--History--1689-1801.
Princeton subject headings:
Aegean Islands (Greece and Turkey)--History.
Russia--Foreign relations--Turkey--1689-1801.
Turkey--Foreign relations--Russia--1689-1801.