1. A. V. Keliher, ‘Progressive Education’, in W. S. Monroe (ed.), Encyclopaedia of Educational Research (New York: Macmillan, 1950)
2. P.A. Graham, ‘Progressive Education Movement’, in L. C. Deighton (ed.), The Encyclopedia of Education, vol. 7 (New York: Macmillan, 1971).
3. For Col. Parker, see W. H. Kilpatrick, ‘Dewey’s Influence on Education’, in P. A. Schilpp (ed.), The Philosophy of John Dewey (Evanston: Northwestern University, 1939).
4. J. Dewey, The School and Society, 1st edn. 1899 (University of Chicago, 1915) p. 35.
5. Ibid., p. 37.