Optimism: An Essay — Helen Keller
The Common Rocks and Minerals of Missouri — W. D. Keller
The Plague — Teddy Keller
The Rat Racket — David H. Keller
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, by John Albert Macy — Helen Keller
The World I Live In — Helen Keller
Walt Whitman in Mickle Street — Elizabeth Leavitt Keller