Ten years of psychological research in schools for the blind
By: [by] Samuel P. Hayes.
Series: Publications of the Pennsylvania institution for the instruction of the blind, Overbrook, Philadelphia. [Department of research]; no. 4
Published: 1927
Place of publication: [Philadelphia]
Language: eng
Number of pages: 16
Subjects: Blind -- Education -- United States.; Blind -- Psychological testing.
Notes: "Publications": p. 14-16.