1. Christopher Morley , ‘The Bowling Green: Sherlock Holmes Crossword’, The Saturday Review of Literature (19 May 1934), 703
2. Lyndsay Faye , ‘Upon the Clear Distinction Between Fandom and the Baker Street Irregulars’, Criminal Element, 30 November 2012, [www.criminalelement.com/blogs/2012/11/upon-the-clear-distinction-between-fandom-and-the-baker-street-irregulars-lyndsay-faye-sherlock-holmes-arthur-conan-doyle-elementary, accessed 13 May 2017]
3. STUDIES IN THE LITERATURE OF SHERLOCK HOLMES