William Carqueville (American, 1871-1946)
Józef Mehoffer (Polish, 1869-1946)
Anonymous
Burkhard Mangold (Swiss, 1873-1950)
National Institutes of Health (American, 1887-)
Anonymous
Anonymous
Henri Boulanger Gray (French, 1858-1924)
Foltz (Polish, 18th/19th Century)
Anonymous
Robert Leicester Wagner (American, 1872-1942)
U.S. Information Agency (American, 1953-1999)
Fritz Erler (German, 1868–1940)
Theo van Hoytema (Dutch, 1863-1917)
Adolph Treidler (American, 1886–1981)
Arlington Gregg (American, 1909 - 1964)
Anonymous
Cyrus Leroy Baldridge (American, 1889-1977)
Anonymous
Henri Laussucq (American, 1882 - 1975)
Edward Penfield (American, 1866 - 1925)
Frank Berkeley Smith (American, 1869-1931)
Lucien Lefèvre (French, 1850-1902)
Anonymous