01353cam a22002651  4500001001300000003000400013005001700017008004100034010001700075035001900092040005100111050002700162051001600189100002800205245015300233260004400386300004600430410006600476500005200542501023000594501020000824650002701024650001901051999001701070e  20000628 DLC20260227111212.0821027s1920    dcuaf         000 0 eng c  ae  20000628   a(OCoLC)8896874  aU.S. Off. of educ. LibrarycOKentUdOCoLCdDLC00aL111b.A6 1919, no. 65  aLB3451b.B41 aBerkowitz, J. H.d1884-14aThe eyesight of school children :bdefective vision as related to school environment, and methods of prevention and correction /cby J.H. Berkowitz.  aWashington :bGovt. print. off.,c1920.  a128 p. front. :billus., plates ;c23 cm.10aUnited States.bOffice of Education.tBulletin, 1919,vno. 65  aAt head of title: Department of the interior...  aCopy 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.5DLC  aCopy 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.5DLC 0aEyexCare and hygiene. 0aEyexDiseases.  c20419d20419