Materials for further study (arranged chronologically):

World War II

United States Department of War. "Bomb, Chemical, 100-Pound M47 Series." In Ammunition Inspection Guide TM 9-1904 selected pages. 2 March 1944: U.S.  Dept. of War.

United States Department of War. Portable Flame Thrower M2-2. 16 May 1944: U.S. Dept. of War.

United States Office of Scientific Research and Development (O.S.R.D.), National Defense Research Committee (N.D.R.C.), Division 11. “Fire Warfare: Incendiaries and Flame Throwers.” Summary Technical Report of Division 11, National Defense Research Committee. Vol. 3. 1946: Columbia University Press.

Office of the Chief of the Chemical Corps. Portable Flame Thrower Operations in World War II. 1 December 1949: Office of the Chief, Chemical Corps.

Post-1945

Department of the Army. Bombs and Bomb Components: Technical Manual TM 9-1325-200. April 1966: Departments of the Army, the Navy, and the Air Force. 

International Committee of the Red Cross. Weapons that may Cause Unnecessary Suffering or have Indiscriminate Effects. 1973: ICRC.

International Committee of the Red Cross. Conference of Government Experts on the Use of Certain Conventional Weapons (Lucerne, 24.9-18.10.1974). 1975: ICRC.

International Committee of the Red Cross. Conference of Government Experts on the Use of Certain Conventional Weapons (Second Session—Lugano, 18.1-26.2.1976). 1976: ICRC.