From Silver Blaze: "[O]ne true inference invariably suggests others."
Holmes was a pioneer in proprietary methods, apparently.
An unexpected appreciation for non-Western sources.
Mike drop.
The importance of the art of deception.
Docket information but acknowledge the source
Same as Lesson 1, but important so worth repeating.
That's from The Sign of Four, one of the novels, but I threw it in anyway, since it's apt.
Dancing Men, Six Napoleons, Musgrave Ritual, Speckled Band, Silver Blaze, Lady Frances Carfax, Priory School, Beryl Coronet, Red Headed League, Bruce-Partington Plans, Boscombe Valley Mystery, Norwood Builder, Thor Bridge.