Columbia subject headings:
Işık, Osman İrfan, 1931-
Ünye (Turkey)--Biography.
Ünye (Turkey)--Description and travel.
Ünye (Turkey)--History.
Harvard subject headings:
Işık, Osman İrfan, 1931-
Ünye (Turkey)--Biography.
Ünye (Turkey)--Description and travel.
Ünye (Turkey)--History.
Princeton subject headings:
Işık, Osman İrfan, 1931-
Ünye (Turkey)--Biography.
Ünye (Turkey)--Description and travel.
Ünye (Turkey)--History.