https://archives.upenn.edu/collections/finding-aid/upt50h289/
Gaylord P. Harnwell Papers
Sep 19, 2017 - Summary Information Prepared by Kaiyi Chen Preparation date August 2005, revised March 2006 Date [bulk] Bulk, 1924-1982 Date [inclusive] 1889-1992 Extent 30.0...
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