- Digital Commonwealth
- Perkins School for the Blind
Blocks arranged in geometric formations on a tabletop with grooved grid pattern. One of the structures resembles a colonnade. The photograph is titled "Forms Made with the Sixth Gift." From photograph album "Kindergarten Department of the Perkins Institution for the Blind Boston, MA." Prepared for the World's Columbian Exposition, 1893.
Black and white photograph
- Samuel P. Hayes Research Library, Perkins School for the Blind, Watertown, MA. Contact host institution for more information.