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Filtering by: Creator McArthur, J. A. B. Remove constraint Creator: McArthur, J. A. B. Creator Dykstra, Theodore P. (Theodore Peter), 1896 1979 Remove constraint Creator: Dykstra, Theodore P. (Theodore Peter), 1896 1979 Decade 1930-1939 Remove constraint Decade: 1930-1939 Degree Name Doctor of Philosophy (Ph.D.) Remove constraint Degree Name: Doctor of Philosophy (Ph.D.)

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