Sight-saving classes in the public schools
By: by R.B. Irwin ... this bulletin is issued under the auspices of the Schools Committee of the Associated Harvard Clubs.
Contributors: Associated Harvard Clubs. Schools Committee.
Series: Harvard bulletins in education -- [no. VII]
Publisher: Harvard University
Published: 1920
Place of publication: Cambridge, Mass
Language: eng
Number of pages: 31
Subjects: Eye -- Care and hygiene.; Exceptional children.