This site is maintained by the U.S. National Archives and Records Administration. It provides free access to a collection of digitised materials relating to American involvement in the First World War. These include over 300 unofficial online photographs of the combat, plus Liberty Loan posters, 1914 -1946 and 315 World War I posters from the U.S. Food Administration. Further guides and catalogues on researching US involvement in the archives. http://www.archives.gov/research/military/ww1.html
