Martin Marix Evans 
American Voices of World War I [PDF ebook] 
Primary Source Documents, 1917-1920

Using original documents from the U.S. Army Military History Institute (including extracts from letters and diaries of serving soldiers, as well as from official reports and papers), this book recalls the experiences of Americans who fought in the First World War. Individual chapters cover different periods, from Enlistment to Victory, in a chronological fashion. The book also features topics such as weaponry, medical services and entertainment.