Monteagle, William Parker, Baron, 1574 or 1575-1622

The Identification of the Writer of the Anonymous Letter to Lord Monteagle in 1605

George Blacker Morgan
William Parker Baron Monteagle

The Gunpowder Plot and Lord Mounteagle's Letter, Being a Proof, with Moral Certitude, of the Authorship of the Document

Together with Some Account of the Whole Thirteen Gunpowder Conspirators, Including Guy Fawkes

Henry Spink