written by Adelaide Washburn in Notable American Women, 1607-1950, Volume II: G-O, ed. by Edward T. James, Janet Wilson James, and Paul S. Boyer. (Cambridge, MA: Harvard University Press, 1971), pp. 11-13.
Biographical Sketch of Helen Hamilton Gardener, written by Adelaide Washburn in Notable American Women, 1607-1950, Volume II: G-O, ed. by Edward T. James, Janet Wilson James, and Paul S. Boyer. (Cambridge, MA: Harvard University Press, 1971), pp. 11-13.. Included in Part III: Mainstream Suffragists—National American Woman Suffrage Association, .