Columbia subject headings:
Architecture, Domestic--Europe, German-speaking.
Architecture--Europe, German-speaking--History--20th century.
Architecture--Europe, German-speaking--History--21st century.
Country homes--Europe, German-speaking.
Harvard subject headings:
Architecture, Domestic--Austria.
Architecture, Domestic--Europe, German-speaking.
Architecture, Domestic--Germany
Architecture, Domestic--Switzerland
Architecture--Europe, German-speaking--History.
Country homes--Europe, German-speaking.
Princeton subject headings: