Electronic version in PHP and PDF formats of the work published: London : J.B. Nichols and Son, Parliament Street : Wiliam Pickering, Piccadilly;Edinburgh : Laing and Forbes, 1842
"The earlier portion is derived from letters, many of them originals, deposited in the Cottonian and Harleian collections in the British Museum. The latter portion is transcribed from a contemporaneous manuscript [owned by John Bowes . of Streatlam Castle]"--Pref. p. ix