Columbia subject headings:
Harvard subject headings:
Christians in Iran.
Christians--Iran.
Urumiah--Massacre, 1915.
World War, 1914-1918--Iran
Princeton subject headings:
Christians--Iran--Urūmīyah.
Massacres--Iran--Urūmīyah.
World War, 1914-1918--Iran--Urūmīyah.