Extent:
viii, 150 p
illus
22 cm
Type of publication: Book / Working Paper
Language: English
Notes:
Reprint of the 1934 ed., issued in series: Teachers College, Columbia University. Contributions to education, no. 626
Originally presented as the author's thesis, Columbia
Bibliography: p. 139-150
ISBN: 0-404-55626-4
Source:
ECONIS - Online Catalogue of the ZBW
Persistent link: https://www.econbiz.de/10000668092