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Duke University publications Duke University publications. ^A642176
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General note | "A Duke university centennial publication." |
General note | "In its original form this study was presented to the faculty of the Graduate school of Yale university as a dissertation in candidacy for the degree of doctor of philosophy. With minor revisions it is being published in the present form."--Acknowledgments. |
Bibliography note | Bibliography: p. 229-241. |
LCCN | 38016217 |