00808cam a22002291  4500001001300000003000400013005001700017008004100034010001700075035001900092040004000111042001200151050001700163110010200180245010500282260002800387300003100415500001800446504005800464650002200522650003400544e  41000369 DLC20260227111230.0790131s1940    dcua     b    000 0 eng c  ae  41000369   a(OCoLC)4603104  aU.S. Off. of Educ. Libr.cDNIEdDLC  apremarc00aLB1044b.N422 aNational Education Association of the United States.bDepartment of Elementary School Principals.10aVisual education.cDepartment of Elementary School Principals of the National Education Association.  aWashington, D.C.c1940.  a94, [1] p.billus.c23 cm.  aLithoprinted.  a"Sources of material and bibliographies": p. [68]-94. 0aVisual education. 0aMotion pictures in education.