Columbia subject headings:
Forrest, George, 1873-1932.
Plant collecting--China--History.
Plant collecting--Himalaya Mountains Region--History.
Plant collectors--Scotland--Biography.
Harvard subject headings:
Forrest, George, 1873-1932.
Plant collecting--China--History.
Plant collecting--Himalaya Mountains Region--History.
Plant collectors--Scotland--Biography.
Princeton subject headings: