Encyclopedia Titanica (2004) HENRY B. HARRIS, MAJ. ARCHIBALD BUTT, WILLIAM B. SILVEY (Washington Times, Tuesday 16th April 1912, ref: #4001, published 20 October 2004, generated 3rd July 2024 11:57:05 PM); URL : https://www.encyclopedia-titanica.org/henry-b-harris-maj-archibald-butt-william-b-silvey.html
