Columbia subject headings:
Dwellings--Poland--Warsaw.
Palaces--Poland--Warsaw.
Warsaw (Poland)--Buildings, structures, etc.
Warsaw (Poland)--History.
Harvard subject headings:
Dwellings--Poland--Warsaw.
Palaces--Poland--Warsaw--History.
Warsaw (Poland)--Buildings, structures, etc.
Warsaw (Poland)--History.
Princeton subject headings:
Palaces--Poland--Warsaw.
Warsaw (Poland)--Buildings, structures, etc.
Warsaw (Poland)--Description.