Legal document issued by Court of Common Pleas, Cuyahoga County, Ohio. 1918 September 3
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Legal agreement between Jacob J. Singer and A. S. Aloe Instrument Company. 1914 June 4
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"Why I chose the profession of medicine". undated
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Lecture notes on General Chemistry. 1900 September 29
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Certificate of perpetual membership in the St. Louis Mercantile Library Association. 1921 June 27
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Two United States patents granted to Jacob J. Singer. 1915, 1918
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"Successful removal of an entire lung for carcinoma of the bronchus", by Evarts A. Graham and J. J. Singer. 1933, 1984
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Photograph. 1937 July 8
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Films. 1939
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City of St. Louis Health Department Female Hospital Corps portraits. 1904-1905, 1905-1906
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Diploma for the M.D. degree, Washington University, St. Louis. 1904
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The State Board of Health, State of Missouri license to practice medicine. 1904
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Health Department of the City of St. Louis, Missouri Certificate of Hospital Service. 1905, 1906
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