Thomas Jefferson, Notes on the State of Virginia (Baltimore: Pechin, 1800), Early American Imprints, 166.
Nation, pp. 68-69, quoted in Leon Litwack, The American Labor Movement (Englewood Cliffs, N.J.: Prentice-Hall, 1962).
Adams to S. R. Callaway, May 12, 1886, UP, PO, OC, vol. 38, ser. 2, r. 4.
