00901cam a22002411a 4500001001300000003000400013005001700017008004100034010001700075035001900092040005200111042001200163050002300175051001700198100002500215245006500240260007300305300002400378410006200402501016100464650001600625650001800641e  49000057 DLC20260227111234.0821025s1949    dcu           000 0 eng c  ae  49000057   a(OCoLC)8889179  aU.S. Office of Education. Library.cOKentUdDLC  apremarc00aL111b.A72 no. 311  aLB3013b.T641 aTompkins, Ellsworth.10aWhat teachers say about class size /cby Ellsworth Tompkins.  a[Washington] : Federal Security Agency, Office of Education,c[1949]  avi, 45 p. ;c28 cm.10aUnited States.bOffice of Education.tCircular ;vno. 311  aL111.A72 with: How large are our public high schools? / Walter H. Gaumnitz. Washington : U.S. Govt. Print. Off., 1949. Bound subsequent to publication.5DLC 0aClass size. 0aHigh schools.