A. Gardner photographs Lincoln. Frederick H. Meserve and Carl Sandburg, The Photographs of Abraham Lincoln (New York: Harcourt Brace, 1944), 8 November 1863.

President is photographed with John Nicolay and John Hay. Dennett, Hay Diaries and Letters, 117.

Replies to request of committee of merchants and citizens of New York: "I shall be happy to give the interview to the committee as you request." Abraham Lincoln to William B. Astor and Robert B. Roosevelt, 8 November 1863, CW, 7:4.