Main Characters
- Sherlock Holmes
- Dr John Watson
- Dr Thorneycroft Huxtable M.A., Ph.D., etc.
- Duke of Holdernesse
- James Wilder
- Rueben Hayes
Locations
- 221b Baker Street, London
- Priory School, Mackleton
- Halllamshire
- Carston Castle, Bangor, Wales
- Carlton House Terrace, London
- Chesterfield
- Fighting Cock Inn
- Ragged Shaw
- Lower Gill Moor
- Capital and Counties Bank, Oxford Street, London
Messages and Rituals
- Telegram from Thorneycroft Huxtable
- Telegram from Sherlock Holmes
- Telegram from Chesterfield police
- Rumour in the Globe
Disguises and Deceptions
Sayings
Character Illustrations
Deductions
Additional Information