| RefNo | Title | Date |
| L&P/2/64 | Letter, 'Of lightning on occasion of the earthquake' from Henry Miles to Martin Folkes | 22 March 1750 |
| MS/391/54 | Bond of Henry Miles to the Treasurer of the Royal Society | 16 June 1743 |
| L&P/2/577 | Letter, 'Of Dr Roger's meteorological observations' from Henry Miles to Henry Baker | 19 February 1755 |
| L&P/2/482 | Letter, 'Of the late hard weather' from Henry Miles to John Canton | 28 February 1754 |
| L&P/1/257 | Letter, 'Of eels in vinegar' from Henry Miles to Baker | 1743 |
| L&P/1/444 | Letter, 'On electricity' from Henry Miles to Henry Baker | 22 January 1746 |
| L&P/1/471 | Letter, 'Electrical observations' from Henry Miles to Henry Baker | 20 March 1746 |
| L&P/1/458 | Letter, 'Electrical observations' from Henry Miles to Henry Baker | 4 March 1746 |
| L&P/2/497 | Letter, 'On Job Baster's meteorological observations for 1752 and 1753' from Henry Miles to Henry Baker | 21 March 1754 |
| L&P/2/417 | Letter, 'Of a double burr about the moon' from Henry Miles to Thomas Birch | 22 February 1753 |
| L&P/2/529 | Letter, 'On Pieter Gabry's meteorological tables' from Henry Miles to Henry Baker | 15 May 1754 |
| L&P/2/574 | Letter, 'Of thermometer-readings by Mr Canton on 8th and 9th of February' from Henry Miles to the Royal Society | 13 February 1755 |
| EC/1743/04 | Miles, Henry: certificate of election to the Royal Society | 9 June 1743 |
| L&P/1/55 | Letter, 'Parhelia seen in Kent 19 December 1741' from Henry Miles to John Eames | [1741] |
| L&P/1/366 | Letter, 'Of firing phosphorus by electricity' from Henry Miles to Mr Baker | 1745 |
| L&P/1/402 | Letter, 'Of a lady whose clothes sparkled' from Henry Miles to Martin Folkes | 19 May 1745 |
| L&P/1/421 | Letter, 'Improvements in cyder & perry' from Henry Miles to Martin Folkes | 1745 |
| L&P/1/415 | Letter, 'On sending to him a parcell of letters from H Oldenburg to Hon. R. Boyle & from Dr John Beale to the same' from Henry Miles to Martin Folkes | 24 October 1745 |