Lynch, pp. 183–185 "Sir Cosmo and Lady Duff Gordon at the Titanic Inquiry," The Sketch, May 22, 1912 "Conduct of Sir Cosmo-Duff Gordon and Mr. Ismay".
183–185 ^ "Sir Cosmo and Lady Duff Gordon at the Titanic Inquiry," The Sketch, 22 tháng 5 năm 1912 ^ “Conduct of Sir Cosmo-Duff Gordon and Mr. Ismay”.