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Start Over You searched for: Form Photographs Remove constraint Form: Photographs Year 1971 Remove constraint Year: <span class="single" data-blrl-single="1971">1971</span>

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Henry C. McBay Papers, 1934-1998 (inclusive)

Held at: Science History Institute Archives [Contact Us]

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Fisher-Pasteur Memorial Collection, 1849-1995 (inclusive) 1882-1973 (bulk)

Held at: Science History Institute Archives [Contact Us]

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Watson Kintner Papers, 1890-1971 (inclusive) 1909-1971 (bulk)

Held at: University of Pennsylvania: University Archives and Records Center [Contact Us]

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Biddle family papers, 1709-2017 (inclusive) 1776-1952 (bulk)

Held at: University of Pennsylvania: Kislak Center for Special Collections, Rare Books and Manuscripts [Contact Us]

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Robert M. Thrall papers relating to the Massachusetts Institute of Technology Radiation Laboratory, 1940-1971 (inclusive) 1944-1946 (bulk)

Held at: University of Pennsylvania: Kislak Center for Special Collections, Rare Books and Manuscripts [Contact Us]

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Laurence and Ayşe Gürsan-Salzmann collection, 1967-2018 (inclusive)

Held at: University of Pennsylvania: Kislak Center for Special Collections, Rare Books and Manuscripts [Contact Us]

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Paul Eldridge papers, 1909-1982 (inclusive)

Held at: University of Pennsylvania: Kislak Center for Special Collections, Rare Books and Manuscripts [Contact Us]

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Lewis Mumford papers, circa 1905-1987 (inclusive)

Held at: University of Pennsylvania: Kislak Center for Special Collections, Rare Books and Manuscripts [Contact Us]

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Ann Ingersoll Townsend Simpson papers, 1939-2005 (inclusive) 1942-1948 (bulk)

Held at: University of Pennsylvania: University Archives and Records Center [Contact Us]