00817cam a22002291  4500001001300000003000400013005001700017008004100034010001700075035002000092040004100112042001200153050002200165100004100187245016300228260005300391300001800444410007200462500001900534650001700553999001700570e  24000392 DLC20260227111215.0891011s1924    dcu           000 0 eng c  ae  24000392   a(OCoLC)20478138  aU.S. Bur. of Education Lib.cOOdDLC  apremarc00aLB3405b.U5 no. 61 aRogers, James Frederick,d1870-1965.10aMunicipal and school playgrounds and their management.bIntroduction and summary.cBy J.F. Rogers, Chief of Division of Physical Education and School Hygiene.  a[Washington,bGovernment Printing Office,c1924]  a22 p.c23 cm.10aUnited States.bOffice of Education.tSchool health studies,vno. 6  aCaption title. 0aPlaygrounds.  c20697d20697