This book written about the 31st railway engineers, which was his regiment, mentions Robert Blee, how he died and his service number.
This is the transportation log of Robert’s ship, the S.S. Manchuria, which was to Hoboken, New Jersey, to Saint Nazaire, France on June 7th 1918.
The National Archives at College Park; College Park, Maryland; Lists of Outgoing Passengers, compiled 1917-1938; NAI Number: 6234477; Record Group Title: Records of the Office of the Quartermaster General, 1774-1985; Record Group Number: 92; Roll or Box Number: 488
This is the Pilgrimages of Gold Star Mothers and Widows, 1930-1933, which mentions his mother pilgrimage in 1930, where she lived, and Roberts name.
6161915; Record Group Number: 92; Record Group Title: Records of the Office of the Quartermaster General, 1774 - 1985
This is the a newspaper from The Greenville Journal, June 20, 1918
about the 31st railway engineers, and how they were needed in France.
The Greenville journal. (Greenville, Ohio), 20 June 1918. Chronicling America: Historic American Newspapers. Lib. of Congress. <http://chroniclingamerica.loc.gov/lccn/sn83035565/1918-06-20/ed-1/seq-1/>
A poster asking men to join the U.S. Engineers during WW1. It signifies the need for the engineers during the War.
Carlson, George L., Artist. The U.S. Engineers need you / George Carlson. Photograph. Retrieved from the Library of Congress
Picture of what the 31st Engineer regiment would have slept and bunked in