The Signal Corps and Air Service. A study of their expansion in the United States, 1917-1918 ... - Army War College (U.S.) (Washington, Govt. Print. Off., 1922)
On verso of t.-p.: War Department. Document no. 1109. The Adjutant General's Office.
"Statement of works, documents, and persons consulted": p. 126-128.
Keywords: United States. -- Army. -- Signal Corps; United States. -- Army. -- Air Corps