Columbia subject headings:
Europe--Description and travel.
Great Britain--Commerce--History.
Iran--Description and travel.
Iran--History.
Nādir Shāh, Shah of Iran, 1688-1747.
Soviet Union--Description and travel.
Harvard subject headings:
Great Britain--Commerce--History.
Iran--Description and travel.
Iran--History--16th-18th centuries.
Nādir Shāh, Shah of Iran, 1688-1747.
Russia--Description and travel.
Soviet Union--Description and travel.
Princeton subject headings: