The Relation of Abstract to Concrete Sciences
The Annals of the American Academy of Political and Social Science, 1895-05, Vol.5 (6), p.114-120 [Peer Reviewed Journal]Copyright 1894/1895 The American Academy of Political and Social Science ;ISSN: 0002-7162 ;EISSN: 1552-3349 ;DOI: 10.1177/000271629500500606
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