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by Katherine Simmons
Society for Research in Child Development, National Research Council 1944 Monographs of the Society for Research in Child Development v. 9, no. 1 = serial no. 37 . The Brush Foundation study of child growth and development ; 2
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Elizabeth Ebert and Katherine Simmons
Society for Research in Child Development, National Research Council 1943 Monographs of the Society for Research in Child Development v. 8, no. 2 = serial no. 35 . The Brush Foundation study of child growth and development ; 1