The Duel: A Military Story
in The Pall Mall Magazine (London, UK) (Jan 1908 — May 1908):
Vol. 41 (Jan 1908): 
pp.0–129
Vol. 41 (Feb 1908): pp.130–257
Vol. 41 (Mar 1908): pp.258–397
Vol. 41 (Apr 1908): pp.398–525
Vol. 41 (May 1908): pp.526–647
pp.0–129 Vol. 41 (Feb 1908):
pp.130–257 Vol. 41 (Mar 1908):
pp.258–397 Vol. 41 (Apr 1908):
pp.398–525 Vol. 41 (May 1908):
pp.526–647 - Collected as The Duel: A Military Tale in A Set of Six (1908)
- Subsequently serialized as The Point of Honor; A Military Tale in The Forum (New York, NY, USA) (Jul 1908 — Oct 1908)
- Subsequently serialized as Le Duel in La Revue de Paris (Paris, France) (Oct 15, 1923 — Nov 15, 1923)
- Subsequently serialized as The Duel: Joseph Conrad's Best Military Tale in The Manitoba Free Press (Winnipeg, Canada) (Aug 30, 1924 — Sep 20, 1924)
- Subsequently serialized as Het Tweegevecht in Nieuwe Rotterdamsche Courant (Rotterdam, The Netherlands) (Nov 11, 1925 — Nov 28, 1925)
View in Internet Archive BookReader (experimental). 
Illustrated by W. Russell Flint.
Republished as "The Point of Honor: A Military Tale" (New York: McClure Company, 1908).