Columbia subject headings:
Lawyers--United States--Biography.
Willebrandt, Mabel Walker, 1889-1963.
Harvard subject headings:
Lawyers--United States--Biography
Willebrandt, Mabel Walker, 1889-1963.
Women lawyers--United States--Biography
Princeton subject headings:
Lawyers--United States--Biography.
Willebrandt, Mabel Walker, 1889-