01123cam a22003011 4500001001300000003000400013005001700017008004100034010001700075035002000092040002500112042001200137043001200149050002700161051001800188060002200206110004100228245005700269260002400326300001400350410006500364500008400429501018300513650003500696650003400731700003900765999001700804e 53000002 DLC20260227111235.0810815s1952 xx 000 0 eng  ae 53000002  a(OCoLC)14679063 aDLCcDNLMdOrPSdDLC apremarc an-us---00aL111b.A6 1952, no. 20 aLB3409.U5bK50 aWA 350bU57h 19521 aUnited States.bOffice of Education.10aHealth services in city schools,cby H. F. Kilander. a[Washington]c1952. avi, 68 p.10aUnited States.bOffice of Education.tBulletinv1952: no. 20 aReport of third decennial study of school health services in the United States. aL111.A6 1952, no. 20 with: Schools at work in 48 States / United States. Office of Education. Washington : Govt. Print. Off., 1952. Bound together subsequent to publication.5DLC 0aSchool hygienezUnited States. 0aChildrenxHealth and hygiene.1 aKilander, Holger Frederick,d1900- c22189d22189