Monographs on infancy
Author(s)
Bibliographic Information
Monographs on infancy
（Classics in child development）
Arno Press, 1975
Available at 21 libraries
Note
Reprint of A study of the smiling and laughing of infants in the first year of life, by R. W. Washburn, originally published in Genetic psychology monographs, v. 6, 1929, and of An experimental study of prehension in infants by means of systematic cinema records, by H. M. Halverson, originally published in Genetic psychology monographs, v. 10, 1931
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