
Laboratoire des produits Scientia (French, 20th Century)

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

Julius Klinger (Austrian, 1876 – 1942)

Leonetto Cappiello (Italian, 1875-1942)

Anonymous

Joseph Binder (Austrian, 1898-1972)

Robert Stöcklin (Swiss, 1889–1931)

Edward Penfield (American, 1866 - 1925)

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

Anonymous

Harry Veltman (Dutch, 20th Century)

Ferdinand Misti-Mifliez (French, 1865-1923)

Laboratoire d'actino-biologie (French, 20th Century)

Theo Nieuwenhuis (Dutch, 1866-1951)

Joseph Gould (American, 1880 - 1935)

Anonymous

Anonymous

Blendon Campbell (American, 1872 - 1969)

Anonymous

Harold Pym (English, active 1930-1970s)