Columbia subject headings:
Erzurum (Turkey)--History--Pictorial works.
Erzurum (Turkey)--Pictorial works.
Photography--Turkey--Erzurum.
Turkey--History--Revolution, 1918-1923.
Harvard subject headings:
Erzurum (Turkey)--History--Pictorial works.
Erzurum (Turkey)--Pictorial works.
Photography--Turkey--Erzurum.
Turkey--History--Revolution, 1918-1923
Princeton subject headings:
Erzurum (Turkey)--History--Pictorial works.
Erzurum (Turkey)--Pictorial works.
Photography--Turkey--Erzurum.
Turkey--History--Revolution, 1918-1923.