A study of imagination in early childhood and its function in mental development - Griffiths, Ruth; Harvey, Nathan Albert, 1860- (New York Arno Press, 1975)
the first work is a reprint of the 1935 ed. published by K. Paul, Trench, Trubner, London; the second, a reprint of the first chapter in Harvey's Imaginary playmates and other mental phenomena of children, published in Ypsilanti, Mich., in 1918.
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Keywords: Imagination; Child study