Blake, William, “The Garden of Love,” in The Poetry and Prose of William Blake, edited by David Erdman, Doubleday & Company, 1965, p. 26.

———, “The Human Abstract,” in The Poetry and Prose of William Blake, edited by David Erdman, Doubleday & Company, 1965, p. 27.

———, “A Little Girl Lost,” in The Poetry and Prose of William Blake, edited by David Erdman, Doubleday & Company, 1965, p. 29.

———, “The Marriage of Heaven and Hell,” in The Poetry and Prose of William Blake, edited by David Erdman, Doubleday & Company, 1965, pp. 34, 36, 37.

———, “A Poison Tree,” in The Poetry and Prose of William Blake, edited by David Erdman, Doubleday & Company, 1965, p. 28.

Erdman, David, ed., The Poetry and Prose of William Blake, Doubleday & Company, 1965, p. xxiii.

Heims, Neil, “Biography of William Blake,” in Bloom's BioCritiques: William Blake, edited by Harold Bloom, Chelsea House Publishers, 2006, pp. 23, 34, 35, 75-77.

“Long Hours 'Stress British Workers,'” BBC News, November 7, 2001, available online at news.bbc.co.uk/1/hi...