Letter from Helen Adams Keller to Charles Dudley Warner, June 07, 1898
written by Helen Keller, 1880-1968 (1898); in The Story of My Life: with Her Letters (1887-1901) and a Supplementary Account of Her Education, Including Passages from the Reports and Letters of Her Teacher, Anne Mansfield Sullivan (New York, NY: Doubleday & Company, 1903), 140-141