Thomas Carlyle, Rodger L. Tarr, Mark Engel (2000). “Sartor Resartus: The Life and Opinions of Herr Teufelsdröckh in Three Books”, p.216, Univ of California Press
Thomas Carlyle (1866). “On the Choice of Books. The inaugural address of Thomas Carlyle, Lord Rector of the University of Edinburgh. Reprinted from “the Times,” with additional articles, a memoir of the author, etc”, p.30
Thomas Carlyle, Rodger L. Tarr, Mark Engel (2000). “Sartor Resartus: The Life and Opinions of Herr Teufelsdröckh in Three Books”, p.50, Univ of California Press