An experimental investigation of young children's ideas of casua lity /
by Sister M. Bernardina McAndrew.
- Washington D.C. : The Catholic University of America, 1943.
- ix, 65 p. : tables. ; 23 cm.
- Studies in psychology and psychiatry. Catholic university of America . Vol. VI, no. 2 .
Thesis (PH.D)--Catholic University of America, 1943. Published also without thesis note.