The WhitehallMystery -- one of a number of mysterious female torsos that turned up
Resources and Bibliography
The "Police Duty Catechism," at The Victorian Dictionary. Very boring, but a total overview of what policemen were supposed to do, when, and how.
The Metropolitan Police website, an official site, includes a good deal of historical material. There is also a link from the History page to a website by official historians Martin Fido and Keith Skinner, authors of The Official Encyclopedia of Scotland Yard.