This finding aid was digitized with funds generously provided by the Smithsonian Institution Women's Committee.
The papers of Hahn William Capps document his career with the USDA and his research on Lepidoptera. They include incoming and outgoing correspondence concerning the identification of specimens, publication of papers, and professional activities; notes, lists, manuscripts, and bibliographical references from his research; newsletters of The Lepidopterist's Society, 1959-1964; and annual reports which he submitted to the USDA, 1939-1952.
Smithsonian Institution Archives
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