John Milton (1773). “The First Six Books of Milton's Paradise Lost: Rendered Into Grammatical Construction ... with Notes Grammatical, Geographical, Historical, Critical, and Explanatory. To which are Prefixed Remarks on Ellipsis and Transposition ...”, p.241
William Shakespeare (1823). “The Dramatic Works of William Shakspeare: From the Text of Johnson, Stevens, and Reed; with Glossarial Notes, His Life, and a Critique on His Genius & Writings”, p.149
George R. R. Martin (2012). “George R. R. Martin's A Game of Thrones 5-Book Boxed Set (Song of Ice and Fire Series): A Game of Thrones, A Clash of Kings, A Storm of Swords, A Feast for Crows, and and A Dance with Dragons”, p.751, Bantam
Thich Nhat Hanh (2009). “Touching the Earth: 46 Guided Meditations for Mindfulness Practice: Easyread Super Large 20pt Edition”, p.175, ReadHowYouWant.com