Columbia subject headings:
Best, Mary Ellen, 1809-1891.
Watercolorists--England--Biography.
Harvard subject headings:
Best, Mary Ellen, 1809-1891.
Painters--England--Biography.
Watercolorists--England--Biography.
Women painters--England--Biography.
Princeton subject headings:
Best, Mary Ellen, 1809-1891.
Watercolorists--England--Biography.