23 ([return])
Lancelot, W. H., Handbook of Teaching Skills. John Wiley & Sons. 1929.
24 ([return])
Goldstein, Harriet and Vetta, Art in Everyday Life, p. 6. The Macmillan Co. 1925.
25 ([return])
Whitford, William G., An Introduction to Art, p. 236. Appleton Series in Education. 1929.
26 ([return])
Refer to Whitford, An Introduction to Art Education, pp. 239-245, for suggestive appreciation test in art. Appleton Series in Education. 1929.
27 ([return])
Mumford, Lewis, The American Mercury, April, 1930.