Calendars of Letters By or Pertaining to Mary Hays
Mary Hays-John Eccles Letters, 1778-1780
Introduction to Hays-Eccles Correspondence (by Mary Hays).
Mary Hays to John Eccles, 29 July 1779.
Mary Hays to John Eccles, Wednesday, 13 August 1779.
Robert Robinson-Mary Hays Letters, 1782-1789
Robert Robinson, Chesterton, [near Cambridge], to Mary Hays, GainsfordStreet, 22 December 1783.
Hays's Letters from Unitarian Ministers and Laypersons
John Disney, [Sloane Street], to Mary hays, Gainsford Street, Horsleydown, Southwark, 9 July 1793.
George Dyer-Mary Hays Letters, 1792-1797
William Godwin-Mary Hays Letters, 1794-1800
Mary Hays, [30 Kirby Street, Hatton Garden], to William Godwin, [25 Chalton Street, Somers Town], [27-29 December 1795].
Mary Wollstonecraft-Mary Hays Letters, 1792-1797
Eliza Fenwick-Mary Hays Letters, 1798-1828
Henry Crabb Robinson-Mary Hays Letters, 1802-1842
Penelope Pennington-Mary Hays Letters, 1813-1814
Miscellaneous Letters Relating to Mary Hays