· The Secret of the Last Survivor [Sexton Blake] · Pierre Quiroule · n. The Sexton Blake Library #163, 1921, as “The Secret of the Frozen North”, uncredited.
· The Riddle of the Fake Clues [Sexton Blake] · [uncredited] · ss The Penny Pictorial Magazine #649, 1911, as “The Murder of Morton Green”; slightly revised.