I. G. (Israel Gregory) Sohn (1911-2000) was a Research Associate in the United States Geological Survey who focused on Ostracodes, marine and non-marine microscopic shelled crustacea of the Late Paleozoic to the present. These papers consist of correspondence, professional activity files, project files, and examinations and reports conducted by Sohn in the United States and around the world. Many of the examinations and reports files contain correspondence, maps, and photographs.
Smithsonian Institution Archives
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