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SHERLOCK HOLMESTHE ADVENTURE OF THE VEILED LODGERby Sir Arthur Conan DoyleWhen one considers that Mr. Sherlock Holmes was in active practicefor twenty-three years, and that during seventeen of these I wasallowed to cooperate with him and to keep notes of his doings, it willbe clear that I have a mass of material at my command. The problem hasalways been not to find but to choose. There is the long row ofyear-books which fill a shelf, and there are the dispatch-cases filledwith documents, a perfe