00844cam a22002411a 4500001001300000003000400013005001700017008004100034010001700075035002000092040005300112042001200165050002700177051001700204100005400221245004800275260003300323300002500356490007900381504004100460650003500501830006600536e  23000322 DLC20260227111215.0860702s1923    dcu          f000 0 eng c  ae  23000322   a(OCoLC)13813357  aLibrary, U.S. Bur. of EducationcABAUdABAUdDLC  apremarc00aL111b.A6 1923, no. 33  aLB3405b.S661 aSmall, Willard S.q(Willard Stanton),d1870-1943.10aEducational hygiene /cby Willard S. Small.  aWashington :bG.P.O.,c1923.  aiii, 36 p. ;c23 cm.1 aBulletin / Department of the Interior, Bureau of Education ;v1923, no. 33  aIncludes bibliographical references. 0aSchool hygienezUnited States. 0aBulletin (United States. Bureau of Education) ;v1923, no. 33