Columbia subject headings:
Harvard subject headings:
Aden (Yemen)--Biography.
Aden (Yemen)--History.
Aden (Yemen)--Intellectual life.
Aden (Yemen)--Religious life.
Aden (Yemen)--Social conditions.
Bārr, Muḥammad ʻAlī
Yemen (Republic)--History
Princeton subject headings:
Aden (Yemen)--Biography.
Aden (Yemen)--History.
Aden (Yemen)--Intellectual life.
Aden (Yemen)--Religious life.
Aden (Yemen)--Social conditions.
Bārr, Muḥammad ʻAlī.
Yemen (Republic)--History.