Marci Shimoff, Carol Kline, Marianne Williamson (2012). “Love For No Reason: 7 Steps to Creating a Life of Unconditional Love”, p.287, Simon and Schuster
William Shakespeare (1868). “The Works of William Shakspeare. Life, Glossary, &c. Reprinted from the Original Edition, and Compared with All Recent Commentators”, p.610
Marie Curie's instructions regarding a proposed gift of a wedding dress for her marriage to Pierre in July 1895, as quoted in Eve Curie Labouisse "Madame Curie: A Biography" translated by Vincent Sheean (p. 137), 1937.
Aeschylus (1956). “Aeschylus: The suppliant maidens, The Persians, translated by S. G. Benardete. Seven against Thebes, Prometheus bound, translated by D. Grene”