Una avanzada del progreso
in Revista de Occidente (Madrid, Spain)
- First serialized as An Outpost of Progress in Cosmopolis (London, UK) (Jun 1897 — Jul 1897)
- Collected as An Outpost of Progress in Tales of Unrest (1898)
- Subsequently serialized as En civilisationens utpost in Aftonposten (Helsinki, Finland) (Jan 10, 1899 — Jan 28, 1899)
- Subsequently serialized as Ein Vorposten der Kultur in Vita's Novellenschatz (Berlin, Germany) (Jan 1901)
- Subsequently serialized as Un Avant-poste de la civilisation in Les Nouvelles Illustrées (Paris, France) (Jan 22, 1903 — Jan 29, 1903)
- Subsequently serialized as An Outpost of Progress in The Grand Magazine (London, UK) (Mar 1906)
- Subsequently serialized as An Outpost of Progress in The World's Library of Best Books (London, UK) (Nov 15, 1924)
- Subsequently serialized as Un Avant-Poste du Progres in La Revue Politique et Littéraire (Paris, France) (Sep 21, 1935)
