Columbia subject headings:
İzmit (Turkey)--Civilization.
İzmit (Turkey)--Ethnic relations.
İzmit (Turkey)--Social life and customs.
Harvard subject headings:
Cooking, Turkish--Turkey--Kocaeli İli.
Cooking, Turkish--Turkey--İzmit.
Folk literature, Turkish--Turkey--Kocaeli İli.
Folk literature, Turkish--Turkey--İzmit.
İzmit (Turkey)--Folklore.
İzmit (Turkey)--Social life and customs.
Kocaeli İli (Turkey)--Folklore.
Kocaeli İli (Turkey)--Social life and customs.
Princeton subject headings:
İzmit (Turkey)--Civilization.
İzmit (Turkey)--Ethnic relations.
İzmit (Turkey)--Social life and customs.