Standard Litho. Co. (American, 19th/20th Century)
Theodor Barth (Swiss, 1875 - 1949)
Theo van Hoytema (Dutch, 1863-1917)
Augustus Jansson (Swedish, 1863 - 1931)
National Institutes of Health (American, 1887-)
Lou Bavann (American, 19th/20th century)
Rachael Romero (Australian, b. 1953)
Thijs van Delden (Dutch, 20th Century)
Austin Cooper (Canadian, 1890-1964)
Johan Thorn Prikker (Dutch, 1868 - 1932)
Theo Nieuwenhuis (Dutch, 1866-1951)
National Institutes of Health (American, 1887-)
Leo Visser (Dutch, 1880-1950)
Victor Alfred Lundy (American, 1923 - )
U.S. Information Agency (American, 1953-1999)
National Caries Program (American, 20th Century)
Leonetto Cappiello (Italian, 1875-1942)