After Twenty Years & Other Stories. Edited by Masat C. Nakauchi. Tokyo: Kenkyusha, 1957.
The Best of O. Henry. London: Hodder & Stroughton, 1929.
The Best of O. Henry. Philadelphia: Running Press, 1978.
The Best Short Stories of O. Henry. Garden City, N.Y.: Sun Dial Press, 1945.
Cabbages and Kings. New York: McClure, Phillips & Co., 1904.
The Complete Works of O. Henry. Garden City, N.Y.: Garden City Publishing Co., 1911.
Complete Writings of O. Henry. Garden City, N.Y.: Garden City Publishing Co., 1917.
The Four Million. New York: McClure, Phillips & Co., 1906.
The Gentle Grafter. New York: McClure, 1908.
The Gift of the Magi. Garden City, N.Y.: Doubleday, Page & Co., 1922.
The Gift of the Wise Men. Garden City, N.Y.: Doubleday, Page & Co., 1911.
Heart of the West. New York: McClure, 1907.
Let Me Feel Your Pulse. New York: Doubleday, Page & Co., 1910.
Letters to Lithopolis. Garden City, N.Y.: Doubleday, Page & Co., 1922.
O. Henry Encore. Ed. by Mary S. Harrell. New York: Doubleday, Doran & Co., 1939.
O. Henryana. Garden City, N.Y.: Doubleday, Page & Co., 1920.
O. Henry’s New York. Ed. by J. Donald Adams. Greenwich, Conn.: Fawcett, 1962.
Options. New York: Harper & Brothers, 1909.
Postscripts. New York: Harper & Brothers, 1923.
The Ransom of Red Chief, and Other O. Henry Stories for Boys. Garden City, N.Y.: Doubleday, Page & Co., 1918.
Roads of Destiny. New York: Doubleday, Page & Co., 1909.
Rolling Stones. Garden City, N.Y.: Doubleday, Page & Co., 1912.
Selected Stories from O. Henry. Garden City, N.Y.: Doubleday, Page & Co., 1922.
Sixes and Sevens. Garden City, N.Y.: Doubleday, Page & Co., 1911.
Strictly Business. New York: Doubleday, Page & Co., 1910.
Tales of O. Henry. Garden City, N.Y.: International Collectors Library, 1969.
The Trimmed Lamp, and Other Stories. New York: McClure, Phillips & Co., 1907.
The Voice of the City. New York: McClure, 1908.
Waifs and Strays, Twelve Stories. Garden City, N.Y.: Doubleday, Page & Co., 1917.
Whirligigs. New York: Doubleday, Page & Co., 1910.
The Works of O. Henry. New York: Doubleday, Page & Co., 1911.