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Year:
1918
Type:
article
Source:
The Annals of the American Academy of Political and Social Science
DOI:
10.1177/000271621807500132
Author:
Robert Riegel
Institution:
University of Pennsylvania
Language:
English
Open Access status:
closed
OpenAlex ID:
W1977043168
Cites:
Cited by:
Related to:
10