Sherlock Holmes: The Adventures of Sherlock Holmes, Study in Scarlet, Sign of the Four, Hound of the Baskervilles, Valley of Fear, Memoirs of Sherlock Holmes, Return of Sherlock Holmes, His Last Bow

Although in his methods of thought he was the neatest and most methodical of mankind ... he keeps his cigars in the coal-scuttle, his tobacco in the toe end of a Persian slipper, and his unanswered correspondence transfixed by a jack-knife into the very centre of his wooden mantelpiece ... He had a horror of destroying documents.... Thus month after month his papers accumulated, until every corner of the room was stacked with bundles of manuscript which were on no account to be burned, and which could not be put away save by their owner...