From September 24, 1911
THE MODERN SHERLOCK HOLMES IS A SCIENTIFIC MAN: Swiss Professor Tells of Professional Criminals and the Means of Detecting Them in a Book That Has the Indorsement of M. Lepine, Head of the Paris Police. (PDF)
That reminds me: the modern Sherlock Holmes is now streaming on Netflix.
Possibly related articles:
- Burns, A Detective From Whom Lecoq Might Learn
- The Inner Workings Of Famous Scotland Yard
- Sherlock Holmes Would Be Baffled By This Mystery

