Columbia subject headings:
Islands--Korea (South)--Sinan-gun.
Sinan-gun (Korea)--Description and travel.
Sinan-gun (Korea)--History.
Harvard subject headings:
Islands--Korea (South)--Sinan-gun.
Sinan-gun (Korea)--Description and travel.
Sinan-gun (Korea)--History.
Princeton subject headings:
Sinan-gun (Korea)--Description and travel.
Sinan-gun (Korea)--History.