Whitman, Walt. "Letter to Nathaniel Bloom and John F.S. Gray." Letter to Nathaniel Bloom and John F.S. Gray (1863): 80-85.
Whitman, Walt. "O Captain! My Captain! [from Walt Whitman's Drum-Taps]." New York Saturday Press, November 14, 1865, 218.
Whitman, Walt. Two Rivulets. Including Democratic Vistas, Centennial Songs, and Passage to India. Camden, 1876.
"Essays from "The Critic"." In Essays from "The Critic", edited by Burroughs, John. Boston: J.R. Osgood and Co., 1882.
Whitman, Walt. "Complete Writings of Walt Whitman." In Complete Writings of Walt Whitman, edited by Richard Maurice Bucke, Thomas B. Harned, and Horace L. Traubel. New York: Putnam, 1902.
Whitman, Walt. "The Gathering of the Forces." In The Gathering of the Forces, edited by Cleveland Rodgers and John Black. New York: G. P. Putnam's and Sons, 1920.
Whitman, Walt. "A Child's Reminiscence." In A Child's Reminiscence, edited by Thomas Ollive Mabbott and Rollo G Silver. Seattle: University of Washington Book Store, 1930.