The initiation of social contacts by preschool children
Subtitle: a study of technique in recording social behavior
By: by Alma Perry Beaver ...
Series: Child development monographs.  Monograph -- no. 7; Child development monographs -- no. 7
Publisher: Teachers college, Columbia university
Published: 1932
Place of publication: New York
Language: eng
Number of pages: 65
Subjects: Child study
Notes: Vita.

Published also without thesis note.

Thesis (Ph.D.) - Columbia university, 1932.