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Cases illustrating various types of scotoma in the visual field : portion of a lecture on "The visual field as a factor in diagnosis" delivered before the J. M. Da Costa Medical Society of the Jefferson Medical College / by G. E. De Schweinitz.
- De Schweinitz, G. E. (George Edmund), 1858-1938.
History of American medical literature, from 1776 to the present time : being an address introductory to the fifty-first course of lectures in the Jefferson Medical College of Philadelphia, delivered Octover 4th, 1875 / [Samuel D. Gross].
- Gross, Samuel D. (Samuel David), 1805-1884.