found: NUCMC data from George C. Marshall Research Foundation Lib. for Truscott, L. Papers, 1938-1964(Dragoon)
found: LC data base, 1/27/88(Operation Dragoon)
found: Simon & Schuster Enc. of WW II, 1978(Anvil-Dragoon; code name for the Allied landing operation in the south of France in 1944; called Anvil during most of the planning, suspicion of compromised security led to the selection of the new code name, Dragoon; an apocryphal story has it that Churchill personally selected the name because he felt he had been "dragooned" into approving the Southern France Operation, to which he had been adamantly opposed ever since it surfaced in Allied planning councils)
found: His. Enc. of WW II, 1984(Dragoon; code name of the Allied landing in the south of France, Aug. 15, 1944)
found: Keegan, Enc. of WW II, 1977(Anvil; code name for Allied invasion of southern France; eventually re-codenamed Dragoon)
found: Dupuy, R.E. Encyc. of military history, 1970:p. 1108 (Anvil-Dragoon)