National Institutes of Health (American, 1887-)
U.S. Information Agency (American, 1953-1999)
Anonymous
William Balfour Ker (American, 1877-1918)
Marius Bauer (Dutch, 1867 – 1932)
Forbes Co. (American, 19th/20th Century)
Ketterlinus (American, 19th/20th Century)
Anonymous
Ricky RCAF (Canadian, 20th Century)
Theo van Hoytema (Dutch, 1863-1917)
Alfred Choubrac (French, 1853-1902)
Ethel Watts Mumford Grant (American, 1876 – 1940)
Strobridge and Co (American, 1910-1954)
Dietmar Winkler (German, 1938 -)
Charles Ruttan (American, 1884-1939)
Eric Rohman (Swedish, 1891 - 1949)
Ernest Haskell (American, 1876-1925)
Strobridge and Co (American, 1910-1954)
Thomas Theodor Heine (German, 1867-1948 )
H.C. Miner Litho. Co. (American, 1896-1935)
Leonetto Cappiello (Italian, 1875-1942)
Henri-Gabriel Ibels (French, 1867 - 1936)
Lehman & Bolton (American, fl. 1873-1920)
National Institutes of Health (American, 1887-)
Ontwerpbureau Matte (Dutch, 20th century)
Eric Rohman (Swedish, 1891 - 1949)