Mike,
Further to the above -
I’ve further checked archives of various British 18th cent. music libraries for works by Henry Heron. There appear to have been several composers of that surname. One William Heron may have been the son of Henry (?). In addition to previous post results as follows -
1. ‘Chanson d'Artois’ /composée par Mr. Heron, fils..
[London] : printed by Longman and Broderip, [ca.1790].
[2]p. ; fol.. - (Voice with keyboard acc. Followed by an arrangement for guitar).
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2. Heron, William - ‘Two grand military pieces for one, two or three piano fortes with an occasional accompaniment for a German flute or violin, /Composed ... by William Heron, Op:9. - NB one of the parts may be played on a harp..
[published ca.1800].
3. Psalms. English.: - Psalms, Hymns & Anthems, used in the Chapel of the Hospital for the Maintenance & Education of Exposed & Deserted Young Children at London
Music by Smith, Evance, Heighington, Green, Worgan, Cook, Byrd, Stanley, Heron and Grenville. [London], 1774..
4. Lanzetti, Salvatore.: Six Solos after an Easy & Elegant Taste for the Violoncello with a Thorough Bass, for the Harpsichord.. [London] : Printed for C. Heron, [1760?].
5. Heron, William.: Sweet Innocence ... Ballad..[Dublin] : H. Mountain, [1780?].
6. Heron, William.: 'Three Progressive Duets for two Performers on one Piano Forte or Harpsichord' ... Operaiii..London : James Cooper, [1787?].
8. Heron, William.: ‘The Lass of Patie's Mill‘. With variations. Set for the piano forte by Mr Heron..Dublin : Hime, [c. 1800].
9. Heron, Henry.: Ten Voluntaries, for the Organ or Harpsichord ... Opera Prima..
London : Printed for C. & S. Thompson, [1765?].
10. Heron, Henry.: The Sorrows of Charlotte at the Tomb of Werter. [Song.].
London : Longman and Broderip, [1785?].
11. Heron, Henry.: A Collection of Songs sung by Mr Vernon & Mrs Weichsell at Vaux-Hall-Gardens ... Bookvii..London : Printed for T. Skillern, 1779..
12. Heron, Henry.: A Collection of Songs sung by Mr. Vernon, Mrs. Wrighten & Mrs. Weichsell, at Vaux-Hall-Gardens ... Bookvi..London : Printed for T. Skillern, 1778..
13. Heron, Henry.: A Collection of Songs sung at Marylebone Gardens by Miss Thomas ... Bookv..London : Longman, Lukey & Co, 1771..
14. Heron, Henry.: A Collection of Songs sung at Marybone Gardens by Mr. Rennoldson ... Bookiv..London : Longman, Lukey & Co, [1769].
15. Heron, Henry.: The Songs and Ballads sung at Ranelagh Gardens ... Book the 3d..
London : Printed for John Johnson, [1765?]
16. Heron, Henry.: Parochial Music Corrected: intended for the use of the ... Charity-Schools in London, Westminster ... Being plain and distinct Rules for ... the ... Performance of Psalmody ... with Psalms, Hymns, and Anthems, set to Music ... to which is added an Easy Introduction to Singing. The whole adapted, written and composed by H. Heron,etc..London : Printed for W. Richardson, 1790.
17. Heron, Henry.: 'Ode on the Birth Day of the Prince of Wales'. The Words by Mr. Macaulay..[London] : Printed for T. Skillern, [1780?].
18. Heron, Henry.: ‘O sing unto the Lord‘ -.An Anthem,taken out of the Psalms, as it was perform'd by the Orphans of the Asylum, on the first of August 1784 being the day appointed for a general thanksgiving, for peace with America..
[London] : Printed for Wm Gawler, [1785?].
19. Heron, Henry.: O say where is Protection flown. - A Cantata.Sung at Marylebone Gardens by Mr Rennoldson. The words by Mr Potter. [Preceded by a recitative "Immortal Jove from thy blest Seat above". With string accompaniment, in compressed score.].
[1770?].
20. Heron, Henry.: John and Nan. A New Camp Dialogue..
London : Printed for T. Skillern, [1780?].
21. Heron, Claude.: 'The Beguil'd Virgin'. [Song.] The words by Mr. Mozeen..
[London], [1760?].
22. The Feast of Apollo, containing Eleven Lessons, a Duet for Two Performers on One Harpsichord or Piano Forte, and Twenty Two Favorite Songs, by ... Staes, Moulds, Corri, Relfe, Edwin, Billington, Reeves, Heron, Paesiello, Wilson, Bach, Vento, Vanhall, Sarti, Fergus, Remy, Tubel, Carter, Neuman, Chapman & Tenducci. Vol. 1st.. London : G: Goulding, [1788.].
fol..
23. ‘Clio and Euterpe’ ... In iii volumes..
London : Henry Roberts, [1762]. - Additional named composers in Vol. 3 include Howard, Bernardino, Gates, Jackson of Exeter, More, Heron, D’Giardini, D. Russell and Stanley.
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Regards
RN