| RefNo | Title | Date |
| MM/10/121 | Receipt for money from the Royal Society received by Charles Mason and Jeremiah Dixon from William Cooley, Collector of Customs, Portsmouth | 25 November 1760 |
| MM/10/145 | Receipts from Charles Mason and Jeremiah Dixon 'showing what cash we received at the Cape' | c.1762 |
| MM/10/147 | Note from the Council of the Royal Society about the moneys apportioned for the expense of the expedition of Charles Mason and Jeremiah Dixon to observe the Transit of Venus | 1 July 1762 |
| MM/10/143 | Account of expenses incurred at the Cape of Good Hope by Charles Mason and Jeremiah Dixon | c.1762 |
| MM/10/144 | Vouchers for expenses incurred at the Cape of Good Hope by Charles Mason and Jeremiah Dixon, as part of their observations of the Transit of Venus | c.1762 |
| MM/10/146 | Receipt from James Short for instruments handed over by Charles Mason and Jeremiah Dixon to the Royal Society | 16 May 1762 |
| MM/10/131 | Letter from Charles Mason and Jeremiah Dixon, Plymouth, to Dr Thomas Birch | 27 January 1761 |
| MM/10/120 | Bill from Richard Lever (for George Clarke, carrier) to Charles Mason and Jeremiah Dixon for £3.13.0d | 17 November 1760 |
| MM/10/108 | Memorandum by the Royal Society to the Lords of the Treasury | 5 July 1760 |
| MM/10/117 | Receipt from Charles Mason and Jeremiah Dixon to Royal Society for Instruments for Bencoolen [Bengkulu, Sumatra, Indonesia] | c.1760 |
| MM/10/125 | Letter from Jeremiah Dixon, Portsmouth, to Dr Thomas Birch, Secretary, Royal Society | 19 December 1760 |
| L&P/5/57 | Paper, 'Observations for determining the length of a degree of latitude in Maryland and Pennsylvania' by Charles Mason and Jeremiah Dixon | 1768 |
| L&P/5/118 | Paper, 'Observations at Hammerfost' by Jeremiah Dixon | 1769 |
| L&P/5/122 | Paper, 'Astronomical observations made at Hammerfest for the Royal Society' by Jeremiah Dixon | 1769 |
| EC/1773/29 | Dixon, Jeremiah: certificate of election to the Royal Society | |
| MM/10/130 | Letter from Charles Mason and Jeremiah Dixon, Plymouth, to Charles Morton | 25 January 1761 |
| MM/10/134 | Letter from Charles Mason and Jeremiah Dixon, Plymouth, to Dr Thomas Birch | 3 February 1761 |
| MM/10/123 | 'Account of moneys apportioned for 29 November 1760 for the expenses of the observations', by Peter Davall | 22 July 1760 |
| MM/10/116 | Articles of Agreement between the Council of the Royal Society and Mr Charles Mason and Mr Jeremiah Dixon | 23 October 1760 |
| MM/10/132 | Draft of a letter from the Royal Society to Charles Mason and Jeremiah Dixon | 31 January 1761 |
| L&P/5/47 | Paper, 'Account of observations made by Mason and Dixon for determining a degree of latitude in the province of Maryland' by Nevil Maskelyne | 1768 |
| L&P/5/53 | Paper, 'Astronomical observations made in the forks of the River Brandiwine, as to the local effect of gravity on the going of a clock sent out by the Royal Society' by Charles Mason and Jeremiah Dixon | 1768 |