The blind population of the United States, 1920
Subtitle: A statistical analysis of the data obtained at the Fourteenth decennial census
Publisher: U.S. Govt. Print. Off.
Published: 1928
Place of publication: Washington
Language: eng
Number of pages: 191
Subjects: Blind
Notes: At head of title: Dept. of Commerce. William F. Whiting, secretary. Bureau of the Census, W. M. Steuart, director.