Charlotte Bronte, Emily Bronte, Anne Bronte (2009). “The Bronte Sisters: Three Novels: Jane Eyre; Wuthering Heights; and Agnes Grey (Penguin Classics Deluxe Edition)”, p.456, Penguin
Cassandra Clare (2011). “Cassandra Clare: The Mortal Instrument Series (4 books): City of Bones; City of Ashes; City of Glass; City of Fallen Angels”, p.956, Simon and Schuster
Sir Thomas Browne (1852). “The Works of Sir Thomas Browne: Hydriotaphia. Brampton urns. A letter to a friend, upon occasion of the death of his intimate friend. Christian morals, &c. Miscellany tracts. Repertorium. Miscellanies. Domestic correspondence, journals, &c. Miscellaneous correspondence”, p.43
Cassandra Clare (2011). “Cassandra Clare: The Mortal Instrument Series (4 books): City of Bones; City of Ashes; City of Glass; City of Fallen Angels”, p.956, Simon and Schuster