The Partner
in Harper's Magazine (New York, NY, USA) Vol. 123 (Nov 1911): 
pp.812–972
- Collected as The Partner in Within the Tides (1915)
- Subsequently serialized as L'Associé in La Revue de Genève (Geneva, Switzerland) (Jul 1920)
View in Internet Archive BookReader (experimental). 
Illustrated by Anton Otto Fischer.