Philosophical sketches of the principles of society ... 1986 CIP t.p. (Sir William Drummond)
LC data base, 6-30-86 (hdg.: Drummond, William, Sir, 1770?-1828)
Lord Byron and his Times WWW site, July 26, 2016 (Sir William Drummond; 1770 c.-1828; knight; classical scholar and Tory MP; succeeded Lord Elgin as ambassador)
World Biographical Information System WWW site, July 26, 2016 (Drummond, Sir William; c.1770-1828: diplomat; scholar; writer)