William Baring-Gould, The Annotated Sherlock Holmes, New York, Clarkson N. Potter, 1967.

William Baring-Gould, Sherlock Holmes of Baker Street: The Life of the World's First Consulting Detective, New York, Clarkson N. Potter, 1962.

T.S. Blakeney, Sherlock Holmes: Fact or Fiction?, London, Prentice Hall & IBD, 1994.

Alan Bradley, Ms Holmes of Baker Street: The Truth About Sherlock, Alberta, University of Alberta Press, 2004.

Mark Campbell, Sherlock Holmes, London, Pocket Essentials, 2007.

David Dakin, A Sherlock Holmes Commentary, Newton Abbot, David & Charles, 1972.

Alistair Duncan, Eliminate the Impossible: An Examination of the World of Sherlock Holmes on Page and Screen, London, MX Publishing, 2008.

Alistair Duncan, Close to Holmes: A Look at the Connections Between Historical London, Sherlock Holmes and Sir Arthur Conan Doyle, London, MX Publishing, 2009.

Richard Lancelyn Green, The Sherlock Holmes Letters, Iowa City, Uniersity of Iowa Press, 1987.  

Trevor Hall, Sherlock Holmes: Ten Literary Studies, London, Duckworth, 1969.

David Hammer, The Before-Breakfast Pipe of Mr. Sherlock Holmes, London, Wessex Pr., 1995.

Michael Harrison, The World of Sherlock Holmes, London, Frederick Muller Ltd., 1973.

H. R. F. Keating, Sherlock Holmes: The Man and His World, Edison, NJ, Castle, 2006.

Joseph Kestner, Sherlock's Men: Masculinity, Conan Doyle and Cultural History, Farnham, Ashgate, 1997.

Joseph A. King, Sherlock Holmes: From Victorian Sleuth to Modern Hero, Lanham, US, Scarecrow Press, 1996.

Leslie Klinger, The New Annotated Sherlock Holmes, New York, W.W. Norton, 2005.

Austin Mitchelson, The Baker Street Irregular: Unauthorised Biography of Sherlock Holmes, Romford, Ian Henry Publications Ltd, 1994.

David S. Payne, Myth and Modern Man in Sherlock Holmes: Sir Arthur Conan Doyle and the Uses of Nostalgia, Bloomington, Ind, Gaslight's Publications, 1995.

Christopher Redmond, In Bed with Sherlock Holmes: Sexual Elements in Conan Doyle's Stories, London, Players Press, 1987.

Donald Redmond, Sherlock Holmes: A Study in Sources, Quebec, McGill-Queen's University Press, 1983.

Nick Rennison, Sherlock Holmes. The Unauthorized Biography, London, Grove Press, 2007.

Dick Riley, The Bedside Companion to Sherlock Holmes, New York, Barnes & Noble Books, 2005.

Vincent Starrett, The Private Life of Sherlock Holmes, London, Prentice Hall & IBD, 1993.

Jack Tracy, Subcutaneously, My Dear Watson: Sherlock Holmes and the Cocaine Habit, Bloomington, Ind., Gaslight Publications, 1996.

Philip Weller, The Life and Times of Sherlock Holmes, Simsbury, Bracken Books, 1993.

Bruce Wexler, The Mysterious World of Sherlock Holmes, London, Running Press, 2008.  

Pasquale J. Accardo, Diagnosis and Detection: Medical Iconography of Sherlock Holmes, Madison, NJ, Fairleigh Dickinson University Press, 1987.

Eli Liebow, Doctor Joe Bell: Model for Sherlock Holmes, Bowling Green, Ohio, Bowling Green University Popular Press, 2007.

Anthony John Richards, Holmes, Chemistry and the Royal Institution: A Survey of the Scientific Works of Sherlock Holmes and His Relationship with the Royal Institution of Great Britain, London, Irregulars Special Press, 1998.

E.J. Wagner, La Scienza di Sherlock Holmes, Torino, Bollati Boringheri, 2007.

Kelvin Jones, Sherlock Holmes and the Kent Railways, Sittingborne, Kent, Meresborough Books, 1987.

Paul Lester, Sherlock Holmes in the Midlands, Studley, Warwickshire, Brewin Books, 1992.

Peter Riley, The Highways and Byways of Sherlock Holmes, London, P.&D. Riley, 2005.  

Leslie Klinger, The Sherlock Holmes Reference Library, Indianapolis, Gasogene Books, 1998.

Roberto Pirani, Le piste di Sherlock Holmes, Pontassieve, Pirani Bibliografica Editrice, 1999.

Jack Tracy, The Sherlock Holmes Encyclopedia: Universal Dictionary of Sherlock Holmes, London, Crescent Books, 1988.

John B. Shaw, Encyclopedia of Sherlock Holmes: A Complete Guide to the World of the Great Detective, London, Pavillion Books, 1995.