Jurien de la Gravière, "Guerres Maritimes," vol. ii., p. 75; Chevalier, "Hist. de la Marine Française," p. 105; Capt. Desbrière's "Projets de Débarquement aux Iles Britanniques," vol. i. The accompanying engraving shows how fantastic were some of the earlier French schemes of invasion.
"Mémoires du Maréchal Ney," bk. vii., ch. i.; so too Marmont, vol. ii., p. 213; Mahan, "Sea Power," ch. xv.
Roederer, "OEuvres," vol. iii., p. 494.