Columbia subject headings:
Harvard subject headings:
Apprenticeship programs--Yemen (Republic)--Ṣanʻāʼ.
Architects and builders--Yemen (Republic)--Ṣanʻāʼ.
Building--Study and teaching--Yemen--Ṣanʻāʾ.
Islamic architecture--Yemen (Republic)--Ṣanʻāʼ.
Minarets--Yemen (Republic)--Ṣanʻāʼ--Design and construction.
Minarets--Yemen--Ṣanʻāʾ--Design and construction.
Ṣanʻāʼ (Yemen)--Buildings, structures, etc.
Princeton subject headings:
Building--Study and teaching--Yemen.
Minarets--Yemen--Design and construction.
Mosques--Yemen--Design and contruction.