Problems in American life. - Committee on Education for Democratic Citizenship (Washington, D. C. National Association of Secondary-School Principals,National council for the Social Studies, 1942)
"A series of resource units for teachers in secondary schools, prepared by the Committee on Education for Democratic Citizenship of the National Association of Secondary-School Principals, National Council for the Social Studies."
Teachers' manual. Using a resource unit by I. James Quillen. Washington, D. C., National Council for the Social Studies,Departments of the National Education Association,1942.
Keywords: Social sciences