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.2203, Bantam
John Hookham Frere, sir Henry Bartle E. Frere (1st bart.) (1872). “The works of John Hookham Frere, collected with a mem. by W.E. and sir B. Frere”, p.114
E. Lockhart (2014). “The Boyfriend Quartet: 15 Boys, 43 Lists, 120 Footnotes, and Too Many Panic Attacks to Count, All in Four Novels about Ruby Oliver”, p.131, Delacorte Books for Young Readers
John Flavel (1840). “Divine Conduct: Or, The Mystery of Providence, Wherein the Being and Efficacy of Providence are Asserted and Vindicated ... and the Proper Course of Improving All Providences Pointed Out”, p.58