National Institutes of Health (American, 1887-)
Augustus Jansson (Swedish, 1863 - 1931)
U.S. Information Agency (American, 1953-1999)
Anonymous
Anonymous
Jon Whitcomb (American, 1906–1988)
U.S. Information Agency (American, 1953-1999)
Anonymous
Maurice Merlin (American, 1909 - 1947)
Harold Pym (English, active 1930-1970s)
U.S. Information Agency (American, 1953-1999)
Henry Clive (American, 1883-1960)
Edith Kemp-Welch (English, 1870-1941)
Anonymous
Luc-Olivier Merson (French, 1846-1920)
Anonymous
Ackermann-Quigley Litho. Co (American, 19th Century)
Anonymous
James Gardner (English, 1907-1995)
Eugène Grasset (French, 1841-1917)