Columbia subject headings:
Harvard subject headings:
Iran--Description and travel--Bibliography--Catalogs.
Kitābkhānah-i Millī-i Īrān--Catalogs.
Travelers--Germany--Bibliography--Catalogs.
Princeton subject headings:
Iran--Description and travel--Bibliography--Catalogs.
Kitābkhānah-i Millī-i Īrān--Catalogs.