Language:
English
Pages:
V,89 S.m.Tab.
Series Statement:
Teachers College 〈New York, NY〉: Contributions to education. No. 548.
Series Statement:
Teachers College 〈New York, NY〉: Contributions to education.
DDC:
[307]
Keywords:
Erziehung
;
Sozialwissenschaften
;
Child psychology
;
Education
;
Social sciences Study and teaching
;
Hochschulschrift
;
Hochschulschrift
Note:
Repr.New York: AMS Pr.1972. - Zugl.Columbia Univ.,thesis