00896cam a22002411a 4500001001300000003000400013005001700017008004100034010001700075035001900092040004800111050002700159051001600186100003000202245005500232260003800287300005900325490009300384504002800477650005800505830007400563999001700637e 30000315 DLC20260227111220.0830201s1930 dcuafk b f000 0 eng c ae 30000315  a(OCoLC)9180791 aU.S. Off. of Educ. LibrarycABAUdABAUdDLC00aL111b.A6 1930, no. 11 aLC4531b.H41 aHeck, Arch Oliver,d1887-10aEducation of crippled children /cby Arch O. Heck. aWashington :bU.S. G.P.O.,c1930. avi, 57 p., [1] leaf of plates :bill., forms ;c23 cm.1 aBulletin / United States Department of the Interior, Office of Education ;v1930, no. 11 aBibliography: p. 55-57. 0aChildren with disabilitiesxEducationzUnited States. 0aBulletin (United States. Office of Education : 1929b) ;v1930, no. 11 c21051d21051