Columbia subject headings:
Barth, Erwin, 1880-1933.
Landscape architects--Germany--Biography.
Landscape gardening--Germany--History.
Urban parks--Germany.
Harvard subject headings:
Barth, Erwin, 1880-1933.
Landscape architects--Germany--Biography
Landscape architecture--Germany
Landscape architecture--Germany--History--20th century.
Parks--Planning--Germany--Berlin--History--20th century.
Princeton subject headings:
Barth, Erwin, 1880-1933.
Landscape architects--Germany--Biography.
Landscape architecture--Germany.