During [[World War II]] an IPR resource packet was adopted by 1300 [[public school]] systems, and the [[War Department]] purchased over three quarters of a million IPR pamphlets for instructing military personnel. <ref>Anthony Kubek, ''How the Far East Was Lost'', Chicago 1963, pgs. 350-351.</ref> | During [[World War II]] an IPR resource packet was adopted by 1300 [[public school]] systems, and the [[War Department]] purchased over three quarters of a million IPR pamphlets for instructing military personnel. <ref>Anthony Kubek, ''How the Far East Was Lost'', Chicago 1963, pgs. 350-351.</ref> |