Included below are a set of letters (transcribed in a notebook, not the original letters) by Peter Jaco to Peter Merryweather, found now among the collections of the Methodist Archives, John Rylands University Library of Manchester, PLP 60.27.1 [These letters were ranscribed by a Mrs. Naylor, of York, daughter of Peter Merryweather, as noted by James Everett, who signed and dated the note from Manchester on 17 September 1829]. Also below are two autograph letters by Peter Jaco to Richard Rodda, 1779-80, PLP 60.27.2, Methodist Archives, John Rylands University Library of Manchester.

Peter Jaco's Autobiographical Letter to John Wesley, 4 October 1778.

Peter Jaco, near Bradford, to George Merryweather, Yarm, 7 March 1763.

Peter Jaco, Penzance, to George Merryweather, [Yarm], 4 June 1763.

Peter Jaco, London, to George Merryweather, Yarm, Yorkshire, 24 July 1763.

Peter Jaco, Bradford, to George Merryweather, Yarm, 11 September 1763. 

Peter Jaco, Bradford, to George Merryweather, Yarm, near Stockton upon Tees, Yorkshire, 26 February 1764. 

Peter Jaco, at the Methodist “Hospital” in Birstal, to George Merryweather, Yarm, 12 September 1764.

Peter Jaco, near Leeds, to George Merryweather, Yarm, 12 December 1764.

Peter Jaco, Newlyn, near Penzance, to Mrs. Hall, 11 September 1776.

Peter Jaco, London, to Richard Rodda, 24 October 1779.

Peter Jaco, London, to Robert Brackenbury, Esq., at Mrs Burns, Scarborough, 14 June 1780.