References
- Bird , C. 1933 . Maturation and practice; their effects upon the feeding reaction of chicks. . J. Comp. Psychol. , 16 : 343
- Levy , D. M. 1928 . Fingersucking and accessory movements in early infancy: an etiologic study. . Amer. J. Psychiat. , 6
- Levy , D. M. 1934 . Experiments on the sucking reflex and social behavior of dogs. . Amer. J. Orthopsychiat. , 2
- Levy , D. M. 1935 . A note on pecking in chickens. . Psychoanal. Quar. , 4
- Lewis , S. J. 1937 . The effect of thumb and finger sucking on the primary teeth and dental arches. . J. Child Devel. , 1
- Lewis , S. J. 1931 . Undesirable habits influencing the deciduous dentition. . J. Amer. Dent. Asso. , : 1766 – 1781 .
- Murchison , C. 1935 . The experimental measurement of a social hierarchy in Gallus domesticus. . J. Gen. Psychol. , 12 : 3 – 39 . J. Soc. Psychol.; 1935, 6, 3–30; J. Genet. Psychol., 1935, 46, 76–102; J. Gen. Psychol., 1935, 12, 296–312; J. Gen. Psychol., 1935, 13, 227–248; J. Soc. Psychol., 1935, 6, 172–181 (with Pomerat, C. M., and Zarrow, M. X.)
- Schjelderup-Ebbe , T. 1935 . “ Social behavior of birds ” . In The Handbook of Social Psychology , Edited by: Murchison , C. Worcester : Clark Univ. Press .
- Skard , A. G. 1936 . Studies in the psychology of needs: Observations and experiments on the sexual need in hens. . Acta Psychol. , 2 : 175