Critical Review, 2nd Series, 4 (February 1792),  231-32. Review of Cursory Remarks.

Analytical Review 12 (March 1792), 332-33. Review of Cursory Remarks.

Monthly Review, 2nd Series, 8 (May 1792), 36-37. Review of Cursory Remarks.

Critical Review, 2nd Series, 8 (August 1793), 433-35. Review of Letters and Essays.

Analytical Review 16 (August 1793), 464-67. Review of Letters and Essays. 

English Review, 22 (October 1793), 253-57. Review of Letters and Essays.

Monthly Review, 2nd Series, 13 (April 1794), 472-73. Review of Letters and Essays.

Analytical Review, 25 (January 1797): 174-78. Review of Memoirs of Emma Courtney. 

Monthly Magazine, 3 (January 1797), 47. Short statement on Emma Courtney.

Monthly Review, 2nd Series, 22 (April 1797), 443-49. Review of Memoirs of Emma Courtney. 

Critical Review, 2nd Series, 19 (January 1797), 109-11. Review of Memoirs of Emma Courtney.

Analytical Review, 28 (July 1798), 23-36. Review of Appeal to the Men of Great Britain.

Monthly Magazine, 6 (December 1798), 456, 517. 520. Notices of Victim of Prejudice, Appeal to Men of Great Britain, and Lloyd's Edmund Oliver. 

Analytical Review, N.S. 1 (January-June 1799), 326-29. Review of The Victim of Prejudice.

Anti-Jacobin Review and Magazine 2 (May 1799), 54-58.  Review of Memoirs of Emma Courtney and The Victim of Prejudice. 

Monthly Magazine, 7 (July 1799) (supplement). Review of Victim of Prejudice and some poems by Lloyd.

Critical Review, 2nd Series, 26 (August 1799), 450-52. Review of Victim of Prejudice. 

Monthly Review, 2nd Series, 31 (January 1800), 82. Review of Victim of Prejudice.

Monthly Magazine, 10 (January 1801), 48. Short statement on a proposed work by Fenwick.

Monthly Magazine, 11 (March 1801), 162. Another statement about a proposed work by Fenwick.

Monthly Magazine, 12 (October 1801), 237. A note about Female Biography.

Morning Chronicle, 5 January 1803. Official notice of the publication "in six elegant volumes" of Female Biography. A second notice appeared in the same London paper on 12 February, with the first review appearing in April (see below).

Critical Review, 2nd Series 37 (April 1803), 415-24.  Review of  Female Biography. 

European Magazine, 43 (June 1803), 450-53; 44 (July 1803), 41-44; 44 (August 1803), 117-20. Three-part review of Female Biography.

Monthly Magazine, 15 (July 1803), 622. Review of  Female Biography. 

Monthly Review, 2nd Series 43 (January 1804), 92-93. Review of  Female Biography. 

Edinburgh Review 5 (1804), 506. Short notice of the publication of Harry Clinton.

Monthly Review, 2nd Series 44 (November 1804), 314. Review of Harry Clinton.

Monthly Magazine 21 (February 1806), 56. Short notice of the publication of Historical Dialogues for Young People. By the author of Harry Clinton. 3s. 6d. Another short notice appears in the July issue (same volume, p. 610), after a short statement about Armstrong's Elements of the Latin Tongue, with all the Rules in English, which the reviewer contends "has no particular advantages, that we have perceived, over other grammars. We therefore give the preference to its predecessors. The same remark, with a little variation, will apply to the first volume of the 'Historical Dialogues for young Persons.'" 

Critical Review, or Annals of Literature, 3rd Series, 8 (May 1806), 108. Review of Historical Dialogues, vol. 1. 

The British Critic 29 (February 1807), 216. Short notice of the publication of Vol. 2 of "Historical Dialogues for Young Persons of Both Sexes."

The Annual Review, and History of Literature for 1806 5 (1807), 282-83. Review of Historical Dialogues for Young People, vols. 2-3.

Monthly Review, 2nd Series, 58 (April 1809), 432-33. Review of  Historical Dialogues, Vols. 2-3.

Critical Review, 5th Series, 2 (1815), 652. Review of The Brothers.

New Monthly Magazine and Universal Register, 4 (January 1816), 531. Review of The Brothers.

Monthly Review, 2nd Series, 80 (July 1816), 323. Review of The Brothers. 

Gentleman’s Magazine, 86 (September 1816), 251-52. Review of The Brothers.

Critical Review, 5th Series, 4 (November 1816), 550. Announcement of forthcoming "in the press" of Family Annals by "the author of Female Biography &c &c and lately of the Brothers."

Monthly Magazine 42 (November 1816), 442. Notice of the publication of Family Annals, by Hays, "author of the Brothers, and Female Biography."

Anti-Jacobin Review, 51 (December 1816), 447. Notice of publication "in the press" of Hays's Family Annals, with her the "author of the Brothers, Female Biography, &c. &c." 

Critical Review, 5th Series, 5 (April 1817), 432. Review of Family Annals.

Monthly Magazine, 43 (June 1817), 455. Announcement of publication of Family Annals, 5s, under "Novels and Romances."

Monthly Review, 2nd series, 83 (July 1817), 326. Short notice of Family Annals.

European Magazine, 73 (April 1818), 336. Review of Family Annals.

Monthly Magazine, 51 (July 1821), 561.  Notice of the publication of "Memoirs of Queens, illustrious and celebrated; by Mary Hays, Author of Female Biography, &c. 8v. with portraits. 12s. bds." [Published in June 1821.]

Monthly Repository, 16 (July 1821), 421. Notice of the publication of "Memoirs of Queens, illustrious and celebrated. By Mary Hays, Author of Female Biography. 8vo. Five portraits. 12s."

British Critic, New Series 16 (July 1821), 110.  Notice of "Memoirs of Queens, illustrious and celebrated. By Mary Hays, Author of Female Biography, &c. 8vo. 12s."

British Review, 18 (November 1821), 237. Notice of "Memoirs of Queens, illustrious and celebrated. By Mary Hays. 8vo. 5 Portraits. 12s."

Edinburgh Review, 36 (January 1822), 270.  Notice of the publication of "Memoirs of Queens, illustrious and celebrated. By Mary Hays, Author of Female Biography, &c. 8vo., with Portraits. 12s. boards."

Two Contemporary Statements about Hays:

Polwhele, Revd Richard.  The Unsex’d Females. London: Cadell and Davies, 1798. 19-21.

Beloe, William. The Sexagenarian; Or, the Recollections of a Literary Life. 2 vols. 2nd ed. London: F. C. and J. Rivington, 1818. 359-61.