Columbia subject headings:
Architecture--Germany--Berlin--History--19th century.
Architecture--Germany--Berlin--History--20th century.
Berlin (Germany)--Buildings, structures, etc.
Hoffmann, Ludwig, 1852-1932--Criticism and interpretation.
Harvard subject headings:
Architects--Germany
Architecture--Germany--Berlin--19th century.
Architecture--Germany--Berlin--20th century.
Architecture--Germany--Berlin--History.
Berlin (Germany)--Buildings, structures, etc.
Hoffmann, Ludwig, 1852-1932--Criticism and interpretation.
Hoffmann, Ludwig, 1852-1932.
Princeton subject headings:
Architects--Germany--Berlin--Biography.
Architecture--Germany--Berlin--19th century.
Architecture--Germany--Berlin--History--20th century.
Berlin (Germany)--Buildings, structures, etc.
Catalogues raisonnés.
Hoffmann, Ludwig, 1852-1932--Catalogues raisonnés.
Hoffmann, Ludwig, 1852-1932.
Public buildings--Germany.