Columbia subject headings:
Barth, Erwin, 1880-1933.
Landscape architecture--Germany--Berlin.
Landscape photography.
Harvard subject headings:
Barth, Erwin, 1880-1933
Barth, Jürgen, 1911-2001
Landscape architects--Germany--History--19th century.
Landscape architects--Germany--History--20th century.
Landscape design--Germany.
Princeton subject headings:
Barth, Erwin, 1880-1933.
Gardens--Germany--Berlin--Pictorial works.
Landscape architects--Germany--Biography.
Landscape photography--Germany.
Parks--Germany--Berlin--Pictorial works.