Columbia subject headings:
Gardens--California--Design--History.
Hanson, A. E., 1893-
Landscape architects--California--Biography.
Landscape architecture--California--History.
Harvard subject headings:
Gardens--California--Design--History.
Hanson, A. E., 1893-
Landscape architects--California--Biography.
Landscape architecture--California--History.
Princeton subject headings:
Gardens--California--Design--History.
Hanson, A. E., 1893-
Landscape architects--California--Biography.
Landscape architecture--California--History.