Columbia subject headings:
Anker, Alfons, 1872-1958--Exhibitions.
Architects--Germany--Berlin--Exhibitions.
Architecture--Germany--Berlin--History--20th century--Exhibitions.
Luckhardt, Hans, 1890-1954--Exhibitions.
Luckhardt, Wassili, 1889-1972--Exhibitions.
Harvard subject headings:
Anker, Alfons, 1872-1958--Exhibitions.
Architects--Germany--Berlin--Biography.
Architecture--Germany--Berlin--20th century--Exhibitions.
Architecture--Germany--Berlin--History--Exhibitions.
Luckhardt, Hans, 1890-1954--Exhibitions.
Luckhardt, Wassili, 1889-1972--Exhibitions.
Princeton subject headings:
Anker, Alfons, 1872-1958--Exhibitions.
Architects--Germany--Berlin--Exhibitions.
Architecture, Modern--20th century--Germany--Berlin--Exhibitions.
Luckhardt, Hans, 1890-1954--Exhibitions.
Luckhardt, Wassili, 1889-1972--Exhibitions.