Columbia subject headings:
Gümüşhane İli (Turkey)--Civilization.
Gümüşhane İli (Turkey)--Description and travel.
Harvard subject headings:
Gümüşhane İli (Turkey)--Civilization.
Gümüşhane İli (Turkey)--Description and travel.
Princeton subject headings:
Gümüşhane İli (Turkey)--Civilization.
Gümüşhane İli (Turkey)--Description and travel.