00903cam a22002531a 4500001001300000003000400013005001700017008004100034010001700075035002000092040004800112042001200160050002700172051002100199100003800220245008900258260003300347300003500380490007900415500002000494650005200514830006600566999001700632e  21000522 DLC20260227111212.0860711s1921    dcua         f001 0 eng c  ae  21000522   a(OCoLC)13857732  aU.S. Off. of Educ. LibrarycABAUdABAUdDLC  apremarc00aL111b.A6 1921, no. 22  aLB1771b.A3 19211 aCook, Katherine Margaret O'Brien.10aState laws and regulations governing teachers' certificates /cby Katherine M. Cook.  aWashington :bG.P.O.,c1921.  a244 p. :bill., maps ;c23 cm.1 aBulletin / Department of the Interior, Bureau of Education ;v1921, no. 22  aIncludes index. 0aTeachersxCertificationzUnited StatesxStates. 0aBulletin (United States. Bureau of Education) ;v1921, no. 22  c20482d20482