1
Copa, George H., Policy positions affecting vocational education, Educational Forum, 40, 2, pp. 169-178, (1976)
2
Making of Our Middle Schools, (1902)
3
Unique Function of Education in American Democracy, (1937)
4
J J Deboer W V Kaulfer S and L E Metcalf, (1966)
5
Report of the Committee of Ten on Secondary School Studies, (1894)
6
Cardinal Principles of Secondary Education, (1918)
7
Changing Conceptions of Education, (1909)
8
Cardinal Principles
9
Educational Situation, (1902)
10
Democracy and Education, (1916)