University Era 1933-1974
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Collections: University Era - 1933-1974
Morris Arboretum of the University of Pennsylvania Records
Arboretum Directors, 1933-1974
Dr. Rodney H. True, 1933 – 1939
Dr. Jacob R. Schramm, 1939 – 1954
Dr. John M. Fogg, Jr., 1954 – 1967
Dr. A. Orville Dahl, 1967 – 1971
Dr. Hui-Lin Li, 1971 – 1974