The Sherlock Holmes its headquarters on the purported site of 221B Baker Street), decided to create an exhibition based on the fictional detective Sherlock Holmes. Four Holmes enthusiasts (with the support of the family of Sir Arthur Conan Doyle) designed and planned the exhibition, collecting materials (many of them donated) for display, including a Persian slipper to hold Holmes’s tobacco, a gasogene for Dr Watson's soda, and a jack-knife for Holmes to pin his unanswered correspondence to the mantelpiece with. In Abbey House on Baker Street Holmes' sitting room at 221B Baker Street was created. Each day crumpets were supplied by a local
Sherlock Holmes did. In addition to the Holmes canon, Conan Doyle's 1898 "The Lost Special" features an unnamed "amateur reasoner" intended to be identified as Holmes by his readers. The author's explanation of a baffling disappearance argued in Holmesian style poked fun at his own creation. Similar Conan Doyle short stories are the early "The Field Bazaar", "The Man with the Watches", and 1924's "How Watson Learned the Trick", a parody of the Watson-Holmes breakfast-table scenes. The author wrote other material, especially plays, featuring Holmes. Much of it appears in "Sherlock Holmes: The Published Apocrypha", edited by Jack Tracy; "The Final Adventures