Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Labaran Conan Doyle 56 da litattafai huɗu an san su da "canon" ta Holmes aficionados. Masanan canonical na farko sun haɗa da Ronald Knox a Biritaniya da Christopher Morley a New York. Morley ya kafa The Baker Street Irregulars - ƙungiya ta farko da aka keɓe ga Holmes canon - a cikin 1934.Wasan Sherlockian (wanda aka fi sani da wasan Holmesian, Babban Wasan, ko kuma kawai Wasan) yana ƙoƙarin warware rikice-rikice da bayyana cikakkun bayanai game da Holmes da Watson daga canon. Wasan, wanda ke kula da Holmes da Watson a matsayin mutane na ainihi (da kuma Conan Doyle a matsayin wakilin wallafe-wallafen Watson), ya haɗu da tarihin tare da al'amurran labarun don gina tarihin rayuwa da sauran nazarin masana game da waɗannan al'amurran. Ronald Knox an yaba da ƙirƙirar Wasan. Detailaya daga cikin bayanan da aka bincika a cikin Wasan shine ranar haihuwar Holmes. Tsarin tarihin labaran yana da wuya, tare da labarun da yawa ba su da kwanan wata kuma wasu da yawa suna dauke da rikice-rikice. Morley da William Baring-Gould (marubucin Sherlock Holmes na Baker Street: A Life of the World's First Consulting Detective) sun yi iƙirarin cewa an haifi ɗan leƙen asirin a ranar 6 ga Janairu 1854, shekarar da aka samo daga sanarwa a cikin "His Last Bow" cewa yana da shekaru 60 a shekara ta 1914, yayin da ainihin ranar ta samo asali ne daga faɗakarwa mai zurfi. Wannan ita ce ranar da Baker Street Irregulars ke aiki daga, tare da abincin dare na shekara-shekara da ake yi a kowane Janairu. Laurie R. King kuma yayi hasashe game da ranar haihuwar Holmes. Maimakon haka ta yi jayayya cewa cikakkun bayanai a cikin "The Adventure of the Gloria Scott" (labarin da ba shi da takamaiman kwanan wata na ciki) ya nuna cewa Holmes ya gama karatunsa na biyu (da na ƙarshe) na jami'a a 1880 ko 1885. Idan ya fara jami'a yana da shekaru 17, shekarar haihuwarsa za ta iya kasancewa a ƙarshen 1868. A taron su na farko, a cikin Nazarin a Scarlet, mai binciken ya gargadi Watson cewa yana samun "a cikin dumps a wasu lokuta" kuma baya buɗe bakinsa "na kwanaki a karshen". Leslie S. Klinger ya ba da shawarar cewa Holmes ya nuna alamun rashin lafiyar bipolar, tare da...  Tambaya: Menene aka sani da canon?
Labarai 56 na Conan Doyle da litattafai huɗu