Columbia subject headings:
Harris, Vorley, 1899-1995.
Turkey--Description and travel.
Turkey--Politics and government--1918-1960.
Harvard subject headings:
Harris, Vorley, 1899-1995.
Trabzon İli (Turkey)--Economic conditions.
Trabzon İli (Turkey)--Politics and government.
Trabzon İli (Turkey)--Social conditions.
Princeton subject headings:
Harris, Vorley, 1899-1995.
Trabzon İli (Turkey)--Economic conditions.
Trabzon İli (Turkey)--Politics and government.
Trabzon İli (Turkey)--Social conditions.