The following websites provide historical perspectives, specialized aspects, general information, and resources related to World War I.
The National World War One Museum
FirstWorldWar.com
"1914-1918 The Great War and the Shaping of the 20th Century"
BBC World War One
"Posters of the Great War: An Exhibition"
"Life at Camp Funston"
"First Call: American Posters of World War One from the Collection of Roger N. Mohovich"
World War I Resources Webpages
"Wildcats Never Quit: North Carolina in World War One"