Columbia subject headings:
Architects--Germany--Biography.
Architecture--Germany--History--20th century.
Fahrenkamp, Emil--Catalogues raisonnés.
Fahrenkamp, Emil.
Harvard subject headings:
Architects--Germany--Biography
Architecture--Germany--History--20th century
Fahrenkamp, Emil--Criticism and interpretation.
Princeton subject headings:
Architects--Germany--Biography.
Architecture--Germany--History--20th century.
Catalogues raisonnés.
Fahrenkamp, Emil--Catalogues raisonnés.
Fahrenkamp, Emil.