William Duthie is an author about whom limited public information is available; the confirmed Chinese-language bibliographic record shows only his name and one work. His representative work is A Tramp's Wallet. From the words "tramp" and "wallet" in the title, one may infer that the book concerns wandering, travel, or observations gathered on the road, and that it may have the flavor of travel literature or personal essays. Because the database contains no further records of his nationality, dates of birth and death, education, or writing career, and because the genre and publication date of the work cannot be determined, it is not possible to evaluate his writing style or literary influence with certainty. On the available evidence, Duthie's name is linked mainly to this one work, and readers seeking to know more about him can only turn to the text of A Tramp's Wallet itself and consider the travel observations and personal narrative it may offer.