| 1802a | Selections and original articles, read and recited in illustration of Mr. Thelwall’s Lectures on the science and practice of Elocution. York, UK: A. Bartholoman. | Lecture outline |
| 1802b | General plan and outline of Mr. Thelwall’s course of lectures on the science and practice of elocution/delivered and about to be delivered. Birmingham: J. Belcher (8pps) | Lecture outline |
| 1803 | Elocution and oratory: general plan and outline of Mr. Thelwall’s course of lectures, on the science and practice of elocution; delivered and about to be delivered, in the principal cities and towns of England, Scotland, etc. Manchester: R. & W. Dean (12pps) | Lecture outline |
| 1804a | Mr. Thelwall and Mr. Gough on the voice. Monthly Magazine, 17, 9-11. | Voice |
| 1804b | Case of a child blind and speechless, apparently from the operation of the inoculated small-pox. Monthly Magazine, 17, 516-519. | Diagnosis |
| 1804c | A letter to Francis Jeffrey, Esq., on certain calumnies and misrepresentations in the Edinburgh Review; the conduct of certain individuals on the night of Mr. Thelwall’s probationary lecture at Bernard’s Rooms Edinburgh and the ignorance of the new critical junto of the simplest elements of English composition and English Grammar, with an appendix, containing outlines of a course of lectures on the science and practice of elocution. Edinburgh Review. Printed for the author by John Turnbull. | Lecture outline |
| 1804d | Mr. Thelwall’s reply to the calumnies, misrepresentations, and literary forgeries contained in the anonymous observations on his letter to the editor of the Edinburgh Review; With a further exposition of the ungrammatical ignorance of the writers and vindicators of that defamatory journal. Glasgow, W. Lang | |
| 1805a | On cutting the bridle of the tongue. The Medical and Physical Journal, 14, 256-259. | Surgery |
| 1805b | Introductory discourse on the nature and objects of elocutionary science; and the studies and accomplishments connected with the cultivation of the faculty of oral expression: with outlines of a course of lectures on the science and practice of elocution. London: Ponterfact. | Lecture outline |
| 1805c | Letter to the editor of the Medical and Physical Journal, 13, 450-455. (Announcement of the opening of his “College for the Cure of all Impediments of Speech” and advertising for his Course of Lectures in London. Also includes some of Thelwall’s classification of speech impediments.) | Practice |
| 1805d | The Trident of Albion, an epic effusion; and an oration on the influence of elocution on martial enthusiasm; with an address to the Shade of Nelson, delivered at the Lyceum, Liverpool. on occasion of the late glorious naval victory. To which is prefixed an introductory discourse on the nature and objects of elocutionary science. Liverpool: G. F. Harris. | General |
| 1806a | Thelwall, J. (1806a). On difficulty of speech. Medical and Physical Journal, 15, 172-175. (Article publicizing and responding to a therapy of Wallis for a Mr. Thomas Wood to compensate for his long tongue that produced speech problems.) | Surgery |
| 1806b | Thelwall, J. (1806b). Selections and original articles, for Mr. Thelwall’s Lectures on the science and practice of elocution; together with the Introductory Discourse and Outlines. Birmingham, UK: J. Belcher & Son. | Lecture outline |
| 1807a | Thelwall, J. (1807a). On the musical properties of English syllables. Letter to editor. Monthly Magazine, 23, 28-31 (An article on Thelwall’s prosodic theory). | Prosody |
| 1807b | Correction of mistakes in relation to Abbe de l’Eppe. Monthly Magazine, 24, 442-445. (a response to Mr. Mann’s article in the Monthly Magazine on l’Eppe’s attitude on speech education for the deaf) | Deaf |
| 1807c | Further particulars of the public exhibition of pupils at Mr. Thelwall’s institution for the cure of impediments of speech. Monthly Magazine, 24, 41-42. | Practice |
| 1808a | Mr Thelwall’s plan and terms of tuition, etc.: Institution for the cure of impediments of speech, instruction of foreigners, cultivation of oratory, English composition and polite literature, and the preparation of youth for the more liberal departments of active life. | Practice |
| 1808b | On the treatment of impediments and of the deaf and dumb. Letter to the editor. Monthly Magazine, 25, 202-205. | Deaf |
| 1809a | Element in the science of elocution. Volume 12, Part 2 of Rees, Abraham The new cyclopaedia : or, Universal dictionary of arts and sciences: formed upon a more enlarged plan of arrangement than the dictionary of Mr. Chambers, comprehending the various articles of that work, with additions and improvements, together with the new subjects of biography, geography, and history, and adapted to the present state of literature and science. Philadelphia: Robert Carr and John Conrad. | General |
| 1809b | Historical and oratorical society at Mr. Thelwall’s institution. Monthly Magazine, 28, 152-157. | Practice |
| 1810a | A letter to Henry Cline, Esq. on imperfect development of the faculties mental and moral as well as constitutional and organic and on the treatment of impediments of speech. London: Richard Taylor & Co. | General Practice |
| 1810b | The vestibule of eloquence. Original articles, oratorical and poetical, intended as exercises in recitation, at the institution, Bedford Place,, Russell Square.. London. J. McCreery. | Practice |
| 1810c | On the application of the principles of musical proportion in the treatment of impediments of speech. Monthly Magazine, 30, 104-108. (Thelwall accuses a Mr. Odell of plagiarism. He also describes what he sees as his contributions and expertise in the area of prosody and what he has borrowed from Joshua Steele). | Prosody |
| 1810d | Mr. Thelwall’s reply to Mr. Smart. Monthly Magazine, 30, 301-303. (Thelwall responds to a previous article in Monthly Magazine saying that his contributions are nothing new.) | Prosody |
| 1812 | Selections for the illustration of a course of instructions on the rhythmus and utterance of the English language: with an introductory essay on the application of rhythmical science to the treatment of impediments, and the improvement of our national oratory; and an elementary analysis of the science and practice of elocution, composition, etc. London: J. McCreery. | Prosody |
| 1813 | Defence of Mr. Thelwall on the criticisms against his three publications in the Monthly Review. New Review, 1, 689-693 | |
| 1814 | Results of experience in the treatment of cases of defective utterance, from deficiencies in the roof of the mouth and other mal-conformations of the organs of speech, with observations on cases of amentia and tardy and imperfect developments of the faculties. London: J. McCreery. | Practice/ Diagnosis |
| 1825a | Mr Thelwall’s lecture on the enunicative organs and forma
tion of the literal elements. Monthly Magazine, 60, 113-117. | Lecture outline |
| 1825b | Critique of Erasmus Darwin Monthly Magazine, 60, 5-8 | |
| 1825c | Monthly Magazine, 60, 202-204 | |
| 1825d | Monthly Magazine, 60, 305-308 | |
| 1826a | Mr. Thelwall’s lecture. On the harmonic qualities of the literal elements, and their classification according to their musical and other inherent properties. Panoramic Miscellany, 1, 41-47. | Prosody |
| 1826b | Mr. Thelwall’s lecture on the elements of euphony, Panoramic Miscellany, 1, 193-198 | Prosody |
| 1826c | Mr. Thelwall’s lecture on the articulation and qualities of syllables and the educational causes of impediments of speech, Panoramic Miscellany, 1, 347-354 | Diagnosis Prosody Phonetics |
| 1826d | Panoramic Miscellany, 635-642 | |
| 1826e | Panoramic Miscellany, 796 | |
