| Description | Correspondence from John Cornish [Pinkerton's National Detective Agency, Boston] relating to plans for the Agency to guard Joseph Chamberlain during his stay, and correspondence from R. Anderson [Metropolitan Police Office] to Sir Robert Henry Meade [Permanent Under-Sec of State for the Colonies, 1892-97] relating to the thwarting of a plot against the life of Joseph Chamberlain; with envelopes |