Mary, Q. o. S., De Peyster, J. W., & Simmonds, E. (1891). The genuine letters of Mary, Queen of Scots, to James, Earl of Bothwell: Found in his secretary's closet after his decease (2nd ed.). New York: [s.n.].

Mary, Queen of Scots, John Watts De Peyster, and Edward Simmonds. The Genuine Letters of Mary, Queen of Scots, to James, Earl of Bothwell: Found in His Secretary's Closet After His Decease. 2nd ed. New York: [s.n.], 1891.

Mary, Queen of Scots, John Watts De Peyster, and Edward Simmonds. The Genuine Letters of Mary, Queen of Scots, to James, Earl of Bothwell: Found in His Secretary's Closet After His Decease. 2nd ed. New York: [s.n.], 1891.