
National Institutes of Health (American, 1887-)

Anonymous

Anonymous

Ludwig Hohlwein (German, 1874 – 1949)

Michael P. Whelan (American, 19th/20th Century)

Russell, Morgan & Co. (American, 19th/20th century)

Adolphe Léon Willette (French, 1857 - 1926)

Edward Penfield (American, 1866 - 1925)

Ramón Casas (Spanish, 1866 – 1932)

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

Anonymous

Anonymous

Anonymous

Julius Klinger (Austrian, 1876 – 1942)

Theodor Zasche (Austrian, 1862-1922)

Anonymous

Anonymous

Laboratoire du Neurotensyl (French, 20th Century)

Wells & Hope Co. (American, 1845-1907)

Paul De Sémant (French, 1855-1915)

Imp. F. Champenois (French, 19th/20th century)

Theo van Hoytema (Dutch, 1863-1917)