Gen. Cassius M. Clay takes to White House order assigning him to duty at New Orleans; President issues counter order: "You need not proceed to New Orleans until you hear from me again." Cassius M. Clay, The Life of Cassius Marcellus Clay. Memoirs, Writings, and Speeches, Showing his Conduct in the Overthrow of American slavery, the Salvation of the Union, and the Restoration of the Autonomy of the States, 2 vols. (Cincinnati: J. F. Brennan, 1886), 1:315; Abraham Lincoln to Cassius M. Clay, 14 September 1862, CW, 5:425.