
Chris Lebeau (Dutch, 1878 – 1945)

Cândido de Faria (Brazilian, 1849-1911)

Anonymous

Maurice Zimmermann (Swiss, 19th/20th century)

William Carqueville (American, 1871-1946)

Strobridge & Co. Lith. (American, 1847 -)

Eric Rohman (Swedish, 1891 - 1949)

U.S. Information Agency (American, 1953-1999)

Anonymous

Johann Vincenz Cissarz (German, 1873-1942)

Laboratoires Ciba (French, 20th Century)

Anonymous

A. de Bruin (Dutch, 20th Century)

Frederic Hugo d’ Alési (French, 1849-1906)

Georges Fay (French, 1871-1916)

Blanche McManus (American, 1869–1935)

Adolphe Léon Willette (French, 1857 - 1926)

Theo Nieuwenhuis (Dutch, 1866-1951)

Anonymous

Paul George Lawler (American, 20th Century)

Ottavio Rodella Tavio (Italian, 1864-1910)

Imp. Emile Lévy (French, 19th/20th century)

National Institutes of Health (American, 1887-)

Anonymous