F. Masson's "Joséphine, Impératrice et Reine," p. 229. For the Pitt diamond, see Yule's pamphlet and Sir M. Grant Duff's "Diary," June 30, 1888.
De Bausset, "Court de Napoléon," ch. ii.
"Foreign Office Records," Intelligences, No. 426.
"Life of Fulton," by Colden(1817); also one by Reigart (1856).