Columbia subject headings:
Congress of Industrial Organizations (U.S.)--Biography.
Feminists--United States--Biography.
Labor unions--Officials and employees--United States--Biography.
Mason, Lucy Randolph, 1882-1959.
Harvard subject headings:
Congress of Industrial Organizations (U.S.)--Biography.
Feminists--United States--Biography
Labor unions--United States--Officials and employees--Biography
Mason, Lucy Randolph, 1882-1959.
Princeton subject headings:
Congress of Industrial Organizations (U.S.)--Biography.
Feminists--United States--Biography.
Labor unions--United States--Officials and employees--Biography.
Mason, Lucy Randolph, 1882-1959.