Columbia subject headings:
Architecture, Domestic--Germany--Marienburg (Cologne)--Guidebooks.
Architecture--Germany--Marienburg (Cologne)--History--19th century--Guidebooks.
Architecture--Germany--Marienburg (Cologne)--History--20th century--Guidebooks.
Dwellings--Germany--Marienburg (Cologne)--Guidebooks.
Marienburg (Cologne, Germany)--Buildings, structures, etc.--Guidebooks.
Harvard subject headings:
Architects--Germany--Biography
Architecture--Germany--Cologne.
Cologne (Germany)--Buildings, structures, etc.
Marienburg (Cologne, Germany)--Buildings, structures, etc.
Princeton subject headings:
Architecture, Domestic--Germany--Marienburg (Cologne)--Guidebooks.
Architecture, Modern--19th century--Germany--Marienburg (Cologne)--Guidebooks.
Architecture, Modern--20th century--Germany--Marienburg (Cologne)--Guidebooks.
Dwellings--Germany--Marienburg (Cologne)--Guidebooks.
Marienburg (Cologne, Germany)--Buildings, structures, etc.--Guidebooks.