Extent: | xi, 517 p illus., maps 24 cm |
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Series: | |
Type of publication: | Book / Working Paper |
Language: | English |
Notes: | Originally presented as the author's thesis, University of Pennsylvania, 1927 Published also as no. 15 of Social service monographs Bibliography: p. 490-496 |
ISBN: | 0-405-00556-3 |
Source: | ECONIS - Online Catalogue of the ZBW |
Persistent link: https://www.econbiz.de/10000333001