Mae West, Sarah Bernhardt, Ethel Barrymore and Helen Keller are perhaps among the best known women to appear on vaudeville stages. Each came to vaudeville by a different path and with a different offering: Mae West entered vaudeville with a song and dance routine when she was 13 years old. Ethel Barrymore dropped in on the Palace Theater to present one-act plays. Sarah Bernhardt was being celebrated by the British for her fifty years on the dramatic stage when she agreed to appear in the U.S. Helen Keller appeared on the stages of first-class vaudeville houses with her teacher, Anne Sullivan,...