
Alvin Hollingsworth (American, 1928-2000)

Anonymous

Anonymous

A. D. Ronchèse (French, 20th Century)

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

Eugène Pichot (French, 1875-1894)

Otto Roos (Swiss, 1887 - 1945)

Ludwig Hohlwein (German, 1874 – 1949)

Anonymous

Anonymous

Laboratoires du docteur Roussel (French, 20th Century)

U.S. Lithograph Co. (American, 19th/20th Century)

Laboratoires de biochimie médicale (French, 20th Century)

James Montgomery Flagg (American, 1877-1960)

Laboratoires Albert Rolland (French, 20th Century)

Anonymous

Lester Beall (American, 1903-1969)

Vera Bock (American, 1905 - 1973)