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Laboratoires A. Lemettre (French, 20th Century)
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U.S. Information Agency (American, 1953-1999)
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Robert Stöcklin (Swiss, 1889–1931)
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Anonymous
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Henri Meunier (Belgian, 1873-1922)
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Will Bradley (American, 1868 – 1962)
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Anonymous
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Edward Penfield (American, 1866 - 1925)
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Henri Théophile Bouillon (French, 1864-1934)
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Anonymous
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Anonymous
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G. Bourdier (French, 20th Century)
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National Institutes of Health (American, 1887-)
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Ján Thain (Hungarian , 1885-1953)
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Anonymous
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Imp. Devambez (French, 19th/20th century)
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U.S. Information Agency (American, 1953-1999)
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Aloys Wach (Austrian, 1892-1940)
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Laboratoires Fournier (French, 20th Century)
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Anonymous
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Anonymous
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Amos Sewell (American, 1901-1983)