Columbia subject headings:
Architecture, Modern--20th century.
Architecture--Germany--History--20th century.
Paul, Bruno, 1874-1968.
Harvard subject headings:
Architects--Germany
Architects--Germany--Biography
Architecture--Germany--History--20th century
Illustrators--Germany--Biography.
Paul, Bruno, 1874-1968.
Princeton subject headings:
Architecture--Germany--History--20th century.
Interior decoration--Germany--History--20th century.
Paul, Bruno, 1874-1968.