Columbia subject headings:
Buildings--Iran--Qum.
Islamic architecture--Iran--Qum.
Qum (Iran)--History--Sources.
Harvard subject headings:
Islamic architecture--Iran--Qum.
Qum (Iran)--Buildings, structures, etc.
Qum (Iran)--History--Sources.
Princeton subject headings:
Buildings--Iran--Qum.
Islamic architecture--Iran--Qum.
Qum (Iran)--History--Sources.