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Start Over You searched for: Subjects United States. Army. Base Hospital No. 20. Remove constraint Subjects: United States. Army. Base Hospital No. 20. Titles History of United States Army Base Hospital No. 20: organized at the University of Pennsylvania Remove constraint Titles: History of United States Army Base Hospital No. 20: organized at the University of Pennsylvania Dates by Range 1900-1949 Remove constraint Dates by Range: 1900-1949

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