Columbia subject headings:
Architecture--Poland--Warsaw--History--20th century--Guidebooks.
City planning--Poland--Warsaw--History--20th century--Guidebooks.
Warsaw (Poland)--Buildings, structures, etc.--Guidebooks.
Harvard subject headings:
Architecture--Poland--Warsaw--20th century--Guidebooks.
City planning--Poland--Warsaw--History--20th century--Guidebooks.
Warsaw (Poland)--Buildings, structures, etc.--Guidebooks.
Princeton subject headings:
Architecture--Poland--Warsaw--20th century--Guidebooks.
City planning--Poland--Warsaw--History--20th century--Guidebooks.
Guidebooks.
Warsaw (Poland)--Buildings, structures, etc.--Guidebooks.