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Anonymous
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Jno. B. Jeffery (American, 19th/20th Century)
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Henri Privat-Livemont (Belgian, 1861–1936)
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Henry Jerome Schile (American, 1829-1901)
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Henderson-Achert Litho. Co. (American, 19th/20th Century)
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Henry Jerome Schile (American, 1829-1901)
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Alex McLaren (Canadian, 20th Century)
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Anonymous
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Anonymous
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Centers for Disease Control and Prevention (American, 1946-)
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Shober & Carqueville (American, 19th/20th Century)
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Imp. Charles Lévy (French, 19th/20th century)
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Anonymous
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Bureau of the Census (American, 1902 - )
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Bernard Becan (French, 1890-1943)
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Leonetto Cappiello (Italian, 1875-1942)
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Anonymous
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Emil Könlein (Swiss, 1901-1965)
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Henry Mayo Bateman (English, 1887 – 1970)
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Laboratoires Charvoz (French, 20th Century)
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Eric Henri Kennington (English, 1888 – 1960)
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U.S. Information Agency (American, 1953-1999)
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National Institutes of Health (American, 1887-)
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Peace Corps (American, 20th Century)
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Anton Reckziegel (Austrian, 1865-1936)