Weak eyes in the public schools of Philadelphia
Subtitle: the report of the Committee on Examination of the Eyes of the Children in the Public Schools of Philadelphia
By: by S.D. Risley ...
Contributors: YA Pamphlet Collection (Library of Congress)
Publisher: Collins, printer ...
Published: 1881
Place of publication: Philadelphia
Language: eng
Number of pages: 38
Subjects: Vision -- Testing.
Notes: "Extracted from the Transactions of the Medical Society of the State of Pennsylvania for 1881."
Source: Source unknown.
LC copy has inscribed on cover: With the authors compliments.