Columbia subject headings:
Architecture--New Zealand--Christchurch--History.
Buildings--New Zealand--Christchurch--History.
Cathedral Square (Christchurch, N.Z.)--Buildings, structures, etc.
Cathedral Square (Christchurch, N.Z.)--History.
Plazas--New Zealand--Christchurch--History.
Harvard subject headings:
Architecture--New Zealand--Christchurch--History.
Buildings--New Zealand--Christchurch--History.
Cathedral Square (Christchurch, N.Z.)--Buildings, structures, etc.
Cathedral Square (Christchurch, N.Z.)--History.
Plazas--New Zealand--Christchurch--History.
Princeton subject headings: