Media type: E-Article Title: Selected Writings in Philosophy Contributor: ten Hoor, Marten; Adams, G. P.; Dennes, W. R.; Lowenberg, J.; Mackay, D. S.; Markenke, P.; Pepper, S. C.; Strong, E. W. imprint: University of Illinois Press, 1941 Published in: The American Journal of Psychology, 54 (1941) 1, Seite 156 Language: Not determined DOI: 10.2307/1417825 ISSN: 0002-9556 Keywords: Arts and Humanities (miscellaneous) ; Developmental and Educational Psychology ; Experimental and Cognitive Psychology Origination: Footnote: