Joe and Steve:
Here are their sources for the information they compiled for this print:
Credits
Concept, research, and data: Larry Gormley
Design: Larry Gormley and Kimberly Cloutier
Sources
Sources used in the creation of the U.S. Army Divisions of World War II print are:
The Army Almanac: A Book of Facts Concerning the Army of the United States DC: United States Government Printing Office, 1950.
Atkinson, Rick. An Army at Dawn The War in North Africa, 1942-1943. New York: Henry Holt and Company, 2002.
Bergerud, Eric. Touced With Fire, The Land War In The South Pacific. New York: Penguin Books, 1996.
Dunnigan, James F. & Albert A. Nofi. The Pacific War Encyclopedia. New York: Checkmark Books, 1998.
Forty, George. US Army Handbook 1939 - 1945. New York: Barnes & Noble Books, 1995.
Griess, Thomas E. West Point Atlas for the Second World War: Asia and the Pacific. Garden City City Park, NY: Square One Publishers, 2002.
Griess, Thomas E. West Point Atlas for the Second World War: Europe and the Mediterranean . Wayne, New Jersey: Avery Publishing Group, 1985.
Kahn, Jr., E. J. & Henry McLemore Fighting Divisions DC: The Infantry Journal, 1945.
Lerwill, Leonard L. The Personnel Replacement System, U.S. Army DC: Department of the US Army, 1954.
Mansoor, Peter R. The GI Offensive in Europe, The Triumph of American Infantry Divisions, 1941-1945. Lawrence, Kansas: University Press of Kansas, 1999.
Palmer, Dr. Robert R. The Mobilization Of The Ground Army The Army Ground Forces Study No. 4. 1946
Porch, Douglas. The Path to Victory, The Nediterranean Theater in World War II. New York: Farrar, Straus and Giroux, 2004.
Stanton, Shelby L. Order of Battle, U.S. Army, World War II Novato, CA: Presido, 1984.
Weigley, Russell F. History of the United States Army. New York: The Macmillan Company, 1967.
Wilson, John B. Armies, Corps, Divisions, and Separate Brigades, Army Lineage Series DC: Center of Military History US Army, 1999.
Wilson, John B. Maneuver and Firepower, The Evolutions of Divisions and Separate Brigades, Army Lineage Series DC: Center of Military History US Army, 1999.
Other sources:
Army Battle Casualties and Nonbattle Deaths in World War II, Final Report, 1 December 1941 - 31 December 1946.
US Government Web Sites:
The United States Army
US Army Center of Military History
Proud Daughter of Walter (Monday) Poniedzialek
540th Engineer Combat Regiment, 2833rd Bn, H&S Co, 4th Platoon
There's "No Bridge Too Far"