“Invocation to the Nightingale.” The Lady’s Poetical Magazine, or, Beauties of British Poetry (London: Harrison, 1781),
“Ode to her Bullfinch: By the Same.” The Universal Magazine 77 (1785), 329.
“A Sonnet: by Miss Hays.” The Universal Magazine 77 (1785), 329.
“Observations on The Sorrows of Werter," The Universal Magazine, 76 (December 1784), 317-18.
“The Hermit; an Oriental Tale,” The Universal Magazine 78 (April 1786), 204-09; (May 1786), 234-38.
Letter to the Editor, Monthly Magazine 1 (June 1796), 385-87. "Reply to J. T. on Helvetius." Signed "M. H."
Review of Elizabeth Hamilton's Translation of the Letters of a Hindoo Rajah. Analytical Review 24 (1796), 429-31.
Letter to the Editor, Monthly Magazine 3 (January, 1797), 26-28. "Defence of Helvetius." Signed "M. H."
Review of G. Walker's Theodore Cyphon: or, the Benevolent Jew. A Novel. Analytical Review 23 (June 1796), 600-01.
Review of A Gossip’s Story, and a Legendary Tale. Longmans, 1796. Analytical Review 25 (January 1797), 25-26.
Letter to the Editor, Monthly Magazine 3 (February 1797), 141. "Original Poetry of the Late Mrs. Brooke." Signed "M. H."
Letter to the Editor, Monthly Magazine 3 (March 1797), 193-95. "Improvements Suggested in Female Education."
Letter to the Editor, Monthly Magazine 3 (May 1797) 358-60. "Are Mental Talents Productive of Happiness."
Review of The Inquisition [signed 'V.V.']. 2 vols. Vernor and Hood, [n.d.]. Analytical Review 26 (June 1797), 77-78.
Letter to the Editor, Monthly Magazine 4 (September 1797), 180-81. "On novel-writing."
Letter to the Editor, Monthly Magazine 4 (September 1797), 232-33. Obituary on Wollstonecraft [unsigned].
Review of J. Fox, Santa Maria: or, The Mysterious Pregnancy. Kearsley, 1797. Analytical Review 25 (May 1797), 524.
Letter to the Editor, Monthly Magazine 4 (October 1797), 245. [Signed "Mary Hays"].
Review of M. De Florian's Estelle, with an Essay upon Pastoral. Analytical Review 27 (January 1798), 203.
Review of Calef: a Persian Tale [signed 'V.V.']. 2 vols. Hookham, 1798. Analytical Review 27 (February 1798), 297-98.
Review of The Castle of the Rock, or Memoirs of the Elderland Family. Analytical Review 27 (March 1798), 418-19.
Letter to the Editor, Monthly Magazine 9 (July 1800), 523-24. "Remarks on Dr. Reid on Insanity."
“Memoirs of Mary Wollstonecraft.” The Annual Necrology, for 1797-8. London: Richard Phillips, 1800. 411-60.
Letter to the Editor, Monthly Magazine 10 (September 1800), 135-36. Hays on Robert Hall’s Modern Infidelity.
“Mrs. Charlotte Smith.” Public Characters of 1800-1801. London: R. Phillips, 71 St. Paul’s Church Yard, 1801. 42-64.