00781cam a22002531a 4500 e 33000749 DLC 20260227111223.0 811210s1931 mnu s000 0 eng e 33000749 (OCoLC)7985482 DLC MnHi MnHi OCoLC DLC n-us-mn LC4032.M6 A5 1931 4140 Minnesota. Department of Education. Standards, special classes for defectives. Saint Paul : Minnesota Dept. of Education, 1931. 11 p. ; 10 x 20 cm. Cover title. Children with disabilities Education Minnesota. Educational law and legislation Minnesota. Special classes for defectives. 21313 21313