The
eyesight of school children
defective vision as related to school environment, and methods of prevention and correction
Berkowitz, J. H.
1884-
creator
text
dcu
Washington
Govt. print. off.
1920
monographic
eng
128 p. front. : illus., plates ; 23 cm.
by J.H. Berkowitz.
At head of title: Department of the interior...
Copy 1 of L111.A6 with: Natural science teaching in Great Britain / Committee on Natural Science in the Educational System of Great Britain. Washington : Govt. Print. Off., 1919. Bound together subsequent to publication. DLC
Copy 2 of L111.A6 with: Public discussion and information service of university extension / Walton S. Bittner. Washington : Govt. Print. Off., 1920. Bound together subsequent to publication. DLC
Eye
Care and hygiene
Eye
Diseases
L111 .A6 1919, no. 65
e 20000628
U.S. Off. of educ. Library
821027
20260227111212.0
e 20000628