[24] G. Lee Fleming, Instructional Costs in the First Six Elementary Grades. Master’s Thesis, Department of Education, The University of Chicago, 1916.
[25] Bulletin No. 1 of the Public Education Association of Chicago, 1917, pp. 3-5.
[26] Report of the Committee on Relation between Boards of Education and Superintendents, in Journal of the National Education Association, Vol. I, No. 9 (May, 1917), pp. 967-968.
[27] A Million a Year, pp. v-vi. Monograph No. 1, published by the Board of Education, Minneapolis, Minnesota, 1916.
[28] Fletcher B. Dressler, “Rural School Houses and Grounds.” Bulletin No. 12, United States Bureau of Education, 1914.
[29] Leonard P. Ayres and May Ayres, School Buildings and Equipment, p. 23. Cleveland Education Survey. Published by the Survey Committee of the Cleveland Foundation, 1916.
[30] Ibid. p. 35.
[31] Report of the School Survey of School District Number One in the City and County of Denver, pp. 134-135. Published by the School Survey Committee, Denver, Colorado, 1916.
[32] John Dewey, The School and Society, pp. 47-49. The University of Chicago Press, 1907.
[33] Communication by W. H. Smith, State Superintendent of Public Instruction, Mississippi. Published as part of the monograph entitled “Consolidation of Rural Schools and Transportation of Pupils at Public Expense,” in Bulletin No. 30, United States Bureau of Education, 1914 (edited by A. C. Monahan), pp. 82-84.