
National Institutes of Health (American, 1887-)

Eric Rohman (Swedish, 1891 - 1949)

Ludwig Hohlwein (German, 1874 – 1949)

Hans Rudi Erdt (German, 1883 – 1918)

Paul Balluriau (French, 1860–1917)

Joseph Maria Olbrich (Austrian, 1867 – 1908)

Leo Prochownik (German, 1875-1936)

Goes Litho. Co. (American, 19th/20th Century)

Anonymous

U.S.. Department of Health & Human Services (American, 1953-)

Anonymous

Laboratoires de l'Opodermyl (French, 20th Century)

Anonymous

Charles Dana Gibson (American, 1867 - 1944)

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

Anonymous

Vera Bock (American, 1905 - 1973)

Anonymous

Maxime Dethomas (French, 1867-1929)

Jules-Alexandre Grün (French, 1868-1934)

Imp. P. Vercasson & Cie (French, 19th/20th century)