Laboratoires pharmaceutiques Corbière (French, 20th Century)
Joseph Christian Leyendecker (American, 1874 - 1951)
U.S. Information Agency (American, 1953-1999)
Alfred Choubrac (French, 1853-1902)
Laboratoire Lobica (French, 20th Century)
Clémentine Hélène Dufau (French, 1869-1937)
Edwin Howland Blashfield (American, 1848 - 1936)
Gibson & Co. Lith (American, 19th Century)
Centers for Disease Control and Prevention (American, 1946-)
Anonymous
Anonymous
Ricky RCAF (Canadian, 20th Century)
Werner Koch (Swiss, 1884-1946)
Imp. Paul Dupont (French, 19th/20th century)
Dransy (French, 1883-1945)
Edo Mulder (Dutch, 20th Century)
U.S. Information Agency (American, 1953-1999)
Edward Penfield (American, 1866 - 1925)
Laboratoires Licardy (French, 20th Century)
Wilhelm Heuer (German, 1813-1890)
Theo van Hoytema (Dutch, 1863-1917)
Wincenty Wodzinowski (Polish, 1866-1940)