Columbia subject headings:
Harvard subject headings:
Al Bāb (Syria)--Buildings, structures, etc.
Al Bāb (Syria)--Description and travel.
Al Bāb (Syria)--History.
Aleppo (Syria)--History.
Islam--Syria--Al Bāb.
Princeton subject headings:
Al Bāb (Syria)--Buildings, structures, etc.
Al Bāb (Syria)--Description and travel.
Al Bāb (Syria)--History.
Aleppo (Syria)--History.
Islam--Syria--Al Bāb.