| RefNo | Title | Date |
| EC/1814/23 | Holland, Sir Henry: certificate of election to the Royal Society | |
| IM/002179 | Holland, Henry | nd |
| IM/Maull/002177 | Holland, Sir Henry | nd |
| IM/002180 | Holland, Henry | nd |
| PT/10/19 | Paper, 'On the manufacture of the sulphate of magnesia at Monte della Guardia near Genoa' by H [Henry] Holland | [1816] |
| RR/1/71 | Referee's report by Henry Holland, on a paper 'On the temperatures and geological relations of certain hot springs, particularly those of the Pyrenees; and on the verification of thermometers' by James David Forbes | 17 June 1836 |
| MC/6/96 | Letter from Robt [Robert] Winthrop, Albermarle Hotel, to Sir Henry Holland, [Vice-President of the Royal Society] | 18 June 1860 |
| MC/6 | Volume 6 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1859-1863 |
| MC/17/340 | Letter from [Sir] Henry Holland, to The Royal Society | c.1862 |
| HSF/1/2/32 | Letter from H [Henry] Holland, 25 Brook Street, to Sir John [Frederick William Herschel] | 24 November [1862] |
| HSF/1/2/34 | Letter from H [Henry] Holland, 25 Brook Street, to Sir John [Frederick William Herschel] | 28 April [1863] |
| HSF/1/2/33 | Letter from H [Henry] Holland, 25 Brook Street, to Sir John F [Frederick William] Herschel, Collingwood, Hawkhurst, Kent | 19 January 1863 |
| HSF/1/2/36 | Letter from H [Henry] Holland, Brook Street, to Sir John [Frederick William Herschel] | 22 July [1864] |
| MC/17 | Volume 17 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1897-1899 |
| HSF/1/2/31 | Letter from H [Henry] Holland, Brook Street, to Sir John [Frederick William] Herschel | 3 November [1862] |
| HSF/1/2/35 | Letter from H [Henry] Holland, Brook Street, to Sir John [Frederick William Herschel] | 20 June [1863?] |
| HSF/1/2/30 | Letter from H [Henry] Holland, Brook Street, to Sir John [Frederick William Herschel] | 16 May [1862] |
| HS/9/441 | Letter, from Henry Holland to Sir John Herschel, dated at 25 Brook St. | undated |
| HS/9/438 | Letter, from Henry Holland to Sir John Herschel, dated at Brook St. | 9 February 1850 |
| HS/9/443 | Letter, from Henry Holland to Sir John Herschel, dated at Brook St. | undated |
| HS/9/432 | Letter, from Henry Holland to Sir John Herschel, dated at Brook St. | 17 August 1842 |
| HS/9/429 | Letter, from Henry Holland to Sir John Herschel, dated at Brook St. | 28 June 1839 |
| HS/9/440 | Letter, from Henry Holland to Sir John Herschel, dated at 25 Brook St. | undated |
| HS/9/434 | Letter, from Henry Holland to Sir John Herschel, dated at Brook St. | 2 January 1863 |
| HS/9/433 | Letter, from Henry Holland to Sir John Herschel, dated at 72 Brook St. | undated |
| HS/19/277 | Letter, from Henry Holland to Sir John Herschel, dated at 72 Brook St. | 26 July 1862? |
| HS/9/428 | Letter, from Henry Holland to Sir John Herschel, dated at Brook St. | 17 November 1838 |
| HS/9/442 | Letter, from Henry Holland to Sir John Herschel, dated at Brook St. | 4 January 1843 |
| HS/9/431 | Letter, from Henry Holland to Sir John Herschel, dated at Brook St. | 14 July 1868 |
| HS/9/439 | Letter, from Henry Holland to Sir John Herschel, dated at Brook St. | 7 January 1850 |
| HS/9/430 | Letter, from Henry Holland to Sir John Herschel, dated at Brook St. | 5 July 1841 |
| HSF/1/2/38 | Letter from H [Henry] Holland, Brook Street, to Sir John [Frederick William Herschel] | 23 October [1866?] |
| HS/9/435 | Letter, from Henry Holland to Sir John Herschel, dated at Brook St. | 1863 |
| HS/9/436 | Letter, from Henry Holland to Sir John Herschel, dated at Brook St. | 1 November 1862 |