"Bibliography of the published works of ... Thewall belonging or referring to the period of his political career (1790-1797)": p. 199-200.
Appendix: Three unpubished letters of William Godwin, from autographs in the possession of the author (p. 201-204)
Microfilm. New Haven, CT : Yale University Library. 1996. 1 reel. 35 mm.