Joseph Harrison
From The Arthur Conan Doyle Encyclopedia

Fictional character.
In the Sherlock Holmes stories
- Joseph Harrison was the brother of Annie Harrison, and future brother-in-law of Percy Phelps (NAVA 77).
- He seized the chance to steal the treaty when Percy Phelps left the Foreign Office room, and hid it under a floorboard in Percy's bedroom (NAVA 824).
- Later, disguised with a cloak, he attempted to break into the room at night to recover the hidden treaty, but Sherlock Holmes caught him (NAVA 791).
