Columbia subject headings:
Architecture--Belgium--Brussels--Guidebooks.
Architecture--Details.
Art nouveau (Architecture)--Belgium--Brussels--Guidebooks.
Brussels (Belgium)--Buildings, structures, etc.--Guidebooks.
Exterior walls--Belgium--Brussels--Guidebooks.
Facades--Belgium--Brussels--Guidebooks.
Harvard subject headings:
Architecture--Belgium--Brussells--Guidebooks.
Architecture--Details
Art nouveau (Architecture)--Belgium--Brussells--Guidebooks.
Brussels (Belgium)--Buildings, structures, etc.--Guidebooks.
Exterior walls--Belgium--Brussels--Guidebooks.
Facades--Belgium--Brussells--Guidebooks.
Princeton subject headings:
Architecture--Belgium--Brussels--Guidebooks.
Architecture--Details.
Art nouveau (Architecture)--Belgium--Brussels--Guidebooks.
Brussels (Belgium)--Buildings, structures, etc.--Guidebooks.
Exterior walls--Belgium--Brussels--Guidebooks.
Facades--Belgium--Brussels--Guidebooks.
Guidebooks.