Mary Wollstonecraft, Philip Barnard, Stephen Shapiro (2013). “A Vindication of the Rights of Woman: Abridged with Related Texts”, p.70, Hackett Publishing
James Monroe, Ian Elliot, United States. President (1817-1825 : Monroe) (1969). “James Monroe, 1758-1831: chronology, documents, bibliographical aids”, Oceana Pubns
J. Robert Oppenheimer's letter to his brother Frank Oppenheimer (March 12, 1932), as quoted in "Robert Oppenheimer: Letters and Recollections" edited by Alice Kimball Smith (p. 155), 1995.