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Burnage 2011a, p. 127. Burnage, Sarah (2011a). "History Painting and the Critics". In Burnage, Sarah; Hallett, Mark; Turner, Laura (eds.). William Etty: Art & Controversy. London: Philip Wilson Publishers. ISBN978-0-85667-701-4. OCLC800599710.
Burnage & Bertram 2011, p. 24. Burnage, Sarah; Bertram, Beatrice (2011). "Chronology". In Burnage, Sarah; Hallett, Mark; Turner, Laura (eds.). William Etty: Art & Controversy. London: Philip Wilson Publishers. ISBN978-0-85667-701-4. OCLC800599710.
Burnage 2011b, p. 36. Burnage, Sarah (2011b). "Painting the Nude and 'Inflicting Divine Vengeance on the Wicked'". In Burnage, Sarah; Hallett, Mark; Turner, Laura (eds.). William Etty: Art & Controversy. London: Philip Wilson Publishers. ISBN978-0-85667-701-4. OCLC800599710.
Burnage 2011b, p. 40. Burnage, Sarah (2011b). "Painting the Nude and 'Inflicting Divine Vengeance on the Wicked'". In Burnage, Sarah; Hallett, Mark; Turner, Laura (eds.). William Etty: Art & Controversy. London: Philip Wilson Publishers. ISBN978-0-85667-701-4. OCLC800599710.
Burnage 2011b, p. 42. Burnage, Sarah (2011b). "Painting the Nude and 'Inflicting Divine Vengeance on the Wicked'". In Burnage, Sarah; Hallett, Mark; Turner, Laura (eds.). William Etty: Art & Controversy. London: Philip Wilson Publishers. ISBN978-0-85667-701-4. OCLC800599710.