Monographs on infancy.
Contributors: Washburn, Ruth Wendell, 1890-; Halverson, Henry Marc, 1884-
Series: Classics in child development
Publisher: Arno Press
Published: 1975
Place of publication: New York
Language: eng
Number of pages: 537
Subjects: Infant psychology.; Laughter.; Motor ability in infants.; Hand.
Notes: Includes bibliographies.
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.