Columbia subject headings:
Azerbaijan (Iran)--Description and travel--Early works to 1800.
Caucasus--Description and travel--Early works to 1800.
Harvard subject headings:
Azerbaijan (Iran)--Description and travel--Early works to 1800.
Caucasus--Description and travel--Early works to 1800.
Middle East--Description and travel--Early works to 1800.
Princeton subject headings:
Azerbaijan (Iran)--Description and travel--Early works to 1800.
Caucasus--Description and travel--Early works to 1800.
Middle East--Description and travel--Early works to 1800.