- Digital Commonwealth
- Perkins School for the Blind
Studio photograph of Helen Keller and Edith Thomas standing, Elizabeth Robin and Thomas Stringer sitting. Thomas is facing sideways, away from the camera. All four were students with deafblindness at the Perkins School for the Blind. Hastings.
Black and white photograph
- Samuel P. Hayes Research Library, Perkins School for the Blind, Watertown, MA. Contact host institution for more information.