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I.S. (Isadore Schwaner) Ravdin Papers, 1912-1972 (inclusive)
Held at: University of Pennsylvania: University Archives and Records Center [Contact Us]
Held at: University of Pennsylvania: University Archives and Records Center [Contact Us]
Held at: University of Pennsylvania: University Archives and Records Center [Contact Us]
Held at: University of Pennsylvania: University Archives and Records Center [Contact Us]
Held at: Historical Medical Library of The College of Physicians of Philadelphia [Contact Us]
Held at: University of Pennsylvania: Barbara Bates Center for the Study of The History of Nursing [Contact Us]
Held at: University of Pennsylvania: Barbara Bates Center for the Study of The History of Nursing [Contact Us]