US National Archives
Nara: Military Resources World War I
A compilation of resources on World War I from the National Archives and Records Administration, including links to external sites.
Library of Congress
Loc: America's Story: Pershing Launches Attack
Read about the American Expeditionary Force, led by General John J. Pershing, and its successful campaigns after the U.S entrance into World War I.
Library of Congress
Loc: A Guide to World War I Materials
A web guide of links to World War I resources throughout the Library of Congress web site and beyond.
Other
Wanadoo: La Grande Guerre en Lorraine
This site is from Wanadoo. The Great War's Western Front (WWI) took place for a great part in Lorraine.