Columbia subject headings:
Church of the East members--Missions.
Church of the East members.
Iran--Description and travel.
Iranians--Missions.
Missionaries--United States--Diaries.
Missions--Iran.
Perkins, Justin, 1805-1869--Travel--Iran.
Turkey--Description and travel.
Harvard subject headings:
Assyrian Church of the East members.
Assyrian Church of the East--Iran--History.
Assyrians--Iran.
Iran--Description and travel.
Missions to Nestorians--Iran.
Missions to Nestorians--Turkey.
Missions--Iran.
Nestorians.
Turkey--Description and travel.
Princeton subject headings:
Diaries.
Iran--Description and travel.
Iran--Missions.
Iranians--Missions.
Missionaries--United States--Diaries.
Nestorians--Missions.
Nestorians.
Perkins, Justin, 1805-1869--Travel--Iran.
Turkey--Description and travel.