Columbia subject headings:
Ertekin, Hasan Eşref.
Folklorists--Turkey.
Çorum (Turkey)--History.
Harvard subject headings:
Çorum (Turkey)--History.
Ertekin, Hasan Eşref.
Folklorists--Turkey.
Princeton subject headings:
Çorum (Turkey)--History.
Ertekin, Hasan Eşref.
Folklorists--Turkey.