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Bring out your dead : the great plague of yellow fever in Philadelphia in 1793 / by J.H. Powell.
- 614.5410974811 P8821
- Powell, J. H. 1914-
- University of Pennsylvania Press,
- 1949.
- Philadelphia :
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John William Draper and the religion of science / by Donald Fleming.
- 509.2 D765f
- Fleming, Donald, 1923-2008.
- University of Pennsylvania Press,
- c1950.
- Philadelphia :