Columbia subject headings:
Harvard subject headings:
Ḥāʼil (Saudi Arabia : Province)--Description and travel.
Ḥāʼil (Saudi Arabia : Province)--Geography.
Ḥāʼil (Saudi Arabia : Province)--History.
Princeton subject headings:
Ḥāʼil (Saudi Arabia : Province)--Description and travel.
Ḥāʼil (Saudi Arabia : Province)--Geography.
Ḥāʼil (Saudi Arabia : Province)--History.