T. S. Eliot (1986). “The Use of Poetry and the Use of Criticism: Studies in the Relation of Criticism to Poetry in England”, p.3, Harvard University Press
Tess Gerritsen (2015). “The Rizzoli & Isles Series 11-Book Bundle: The Surgeon, The Apprentice, The Sinner, Body Double, Vanish, The Mephisto Club, The Keepsake, Ice Cold, The Silent Girl, Last to Die, Die Again”, p.1101, Ballantine Books