“The Cossack”
by L. Ron Hubbard

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Publication date: June 1935

Original publication: Mystery Adventures

Genre: Action & Adventure

Story description: A confrontation between Colonel Komroff and the pre-revolutionary Russian Duchess of Novgrod, whose sexual advances he had spurned, ends in violent deaths.

Currently available as part of the Stories from the Golden Age series, in the title Yukon Madness.