1. Coyne , M. L. 1953 Some problems and parameters of sleep learning Unpublished honors thesis
2. Elliott , C. R. 1947 An experimental study of the retention of auditory material presented during sleep Unpublished masterapos;s thesis Univ. of N. Carolina
3. The retention of material presented during sleep;Fox;J. exp. Psychology,1952
4. Hedges , T. A. 1950 The effect of auditory stimuli presented during the sleep of children with delayed speech Unpublished masterapos;s thesis Univ. of Wichita
5. Hoyt , W. G. 1953 The effect on learning of auditory material presented during sleep Unpublished masterapos;s thesis George Washington Univ