| RefNo | Title | Date |
| EC/1805/06 | Barrow, Sir John: certificate of election to the Royal Society | |
| MM/15/3 | Letter from Fearon Fallows, Cape Town, to Sir John Barrow | 10 January 1824 |
| DM/2/108 | Copy of letter from John Barrow, Admiralty Office, to Stephen Lee | 4 July 1825 |
| DM/4/127 | Letter from John Barrow, Admiralty, to P M Roget, Secretary, Royal Society | 30 December 1828 |
| DM/3/92 | Copy of a letter from Rev Thomas John Hussey, Rectory, Chislehurst, to John Barrow | 9 April 1831 |
| DM/4/126 | Letter from Sir John Barrow, Admiralty, to W T Brande, Secretary, Royal Society | 1 November 1828 |
| MC/4/26 | Letter from Sir John Barrow, Admiralty, to Dr [Peter Mark] Roget, [Assistant Secretary of the Royal Society] | 29 May 1844 |
| MC/3/125 | Letter from Sir John Barrow, Admiralty, to Dr. [Peter Mark] Roget, [Secretary of the Royal Society] | 10 December 1840 |
| MM/10/172 | 'Proposal for an attempt to complete the Discovery of a North-West Passage', by John Barrow | December 1844 |
| MC/3/96 | Letter from Sir John Barrow, Admiralty, to Dr. [Peter Mark] Roget, [Secretary of the Royal Society | 22 May 1840 |
| MC/4/47 | Letter from Sir John Barrow, Admiralty, to the Marquis of Northampton, [President of the Royal Society] | 11 December 1844 |
| IM/000272 | Barrow, Sir John | nd |
| DM/4/105 | Letter from John Barrow, Admiralty, to the Secretary, Royal Society | 8 December 1830 |
| IM/000271 | Barrow, Sir John | 2001 |
| DM/3/120 | Letter from John Barrow, Admiralty Offices, to W T Brande, Secretary, Royal Society | 3 April 1824 |
| DM/3/93 | Letter from John Barrow (for Admiralty), Admiralty Office, to the Duke of Sussex, President, Royal Society | 12 April 1831 |
| NLB/18/142 | Copy letter from Robert William Frederick Harrison, to Rev R B Raffles, 86 St Stephen's Avenue, Shepherd's Bush, W. | 23 January 1899 |
| DM/3/122 | Letter from WE Parry, Admiralty, to John Barrow, Admiralty | 10 January 1826 |
| PT/15/27 | Paper, 'On the effects produced in the rates of chronometers by the proximity of masses of iron' by Peter Barlow | [1821] |
| PT/17/8/2 | Plate, longitudinal coordinate planes overlaid on a ship of war by unknown artist | [1824] |
| PT/14/10 | Letter, introducing accompanying paper on shipbuilding from John Barrow to Sir Joseph Banks | 1 February 1820 |
| PT/14/20 | Letter, introducing George Fisher's paper 'On the errors in longitude as determined by the chronometers at sea, arising from the action of the iron in the ships upon the chronometers' from John Barrow to Wm [William] Thos [Thomas] Brande | 6 May 1820 |
| PT/15/27/1 | Manuscript, 'On the effects produced in the rates of chronometers by the proximity of masses of iron' by Peter Barlow | [1821] |
| PT/17/8/1 | Plate, coordinate planes overlaid on a ship of war by unknown artist | [1824] |
| PT/15/27/2 | Plate, diagrams of chronometer parts by unknown artist | [1821] |
| MS/426/112 | Copy letter from Lord Northampton [Spencer Joshua Alwyne Compton] President of the Royal Society; to the Earl of Haddington [Thomas Hamilton] | 12 December 1844 |
| PT/17/8/4 | Plate, horizontal coordinate planes overlaid on a ship of war by unknown artist | [1824] |
| PT/17/8/3 | Plate, coordinate planes overlaid on the upper, middle, and lower decks of a ship of war by unknown artist | [1824] |
| PT/19/1 | Paper, 'Observations made with the invariable pendulum No 4 (Jones), at the Royal Observatory Cape of Good Hope for the purpose of determining the compression of the earth' by Fearon Fallows | [1830] |
| PT/17/8/5 | Plate, horizontal section of ship showing middle tier of tanks by unknown artist | [1824] |
| MC/1/247 | Letter from Dr. Peter Mark Roget, [Secretary of the Royal Society], to [Sir John Barrow] | 15 July 1830 |
| MC/1/243 | Letter from Sir John Barrow, [Second Secretary to the Admiralty], Admiralty Office, to William Thomas Brande | 7 July 1830 |
| MC/1/306 | Letter from Sir John Barrow [Second Secretary to the Admiralty], Admiralty Office, to Dr. [Peter Mark] Roget, Secretary of the Royal Society | 10 May 1831 |
| MC/1/319 | Letter from Sir John Barrow [Second Secretary to the Admiralty], Admiralty Office, to [Dr. Peter Mark Roget], Secretary of the Royal Society | 15 July 1831 |
| MC/1/326 | Letter from Sir John Barrow [Second Secretary to the Admiralty], Admiralty Office, to Dr. [Peter Mark] Roget, [Secretary of the Royal Society] | 30 August 1831 |
| MC/1/328 | Letter from Dr. Peter Mark Roget, Secretary of the Royal Society to Sir John Barrow, [Second Secretary to the Admiralty], Admiralty Office | 2 September 1831 |
| MC/2/17 | Letter from Sir John Barrow, [Second Secretary to the Admiralty], Admiralty Office, to Dr. [Peter Mark] Roget, Secretary of the Royal Society | 4 February 1832 |
| MC/2 | Volume 2 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1832-1838 |
| MC/2/22 | Draft letter from Dr. [Peter Mark] Roget, [Secretary of the Royal Society] to [Sir John] Barrow, [Second Secretary to the] Admiralty | 10 February 1832 |
| MC/3 | Volume 3 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1839-1843 |
| MC/3/18 | Letter from Sir John Barrow, Admiralty, to the Marquis of Northampton, President of the Royal Society | 15 April 1839 |
| MC/3/29 | Letter from John Barrow, Admiralty, to the Secretary of the Royal Society | 13 June 1839 |
| MC/3/112 | Letter from Mr Raudon, Gibraltar, to Dr. [John] Barrow | 9 November 1840 |
| MC/3/134 | Letter from Sir John Barrow, Admiralty, to Dr. [Peter Mark] Roget, [Secretary of the Royal Society] | 20 January 1841 |
| MC/3/154 | Letter from Sir John Barrow, Admiralty, to Dr. [Peter Mark] Roget, Secretary of the Royal Society | 24 April 1841 |
| MC/3/177 | Letter from Sir John Barrow, Admiralty, to Dr. [Peter Mark] Roget, Secretary of the Royal Society | 26 June 1841 |
| MC/3/303 | Letter from Thomas Kerigan, 9 St Paul's Square, Southsea, Portsmouth, to the Secretary of the Royal Society | 5 October 1843 |
| MC/3/313 | Letter from Sir John Barrow, Admiralty, to Dr. [Peter Mark] Roget, [Secretary of the Royal Society] | 22 November 1843 |
| MC/1 | Volume 1 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1800-1831 |
| MC/4 | Volume 4 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1844-1850 |
| PT/14/18 | Paper, 'On the errors in longitude as determined by the chronometers at sea, arising from the action of the iron in the ships upon the chronometers' by George Fisher | [1820] |
| MC/7/243 | Letter from Stephen Pearce, 54 Queen Anne Street, Cavendish Square, to General [Edward] Sabine, [President of the Royal Society] | July 1865 |
| P/0006 | Portrait of Barrow, Sir John | |
| MC/7 | Volume 7 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1864-1866 |
| PT/17/8 | Plates, corresponding to paper titled 'Experimental inquiries relative to the distribution and changes of the magnetic intensity, in ships of war' by George Harvey | [1824] |
| AP/8/12 | Unpublished translation, 'A memoir on the disinfection of letters' by Bernardino Antonio Gomes | 20 April 1814 |
| PT/16/9 | Paper, 'On some fossil bones discovered in caverns in the limestone quarries of Oreston' by Joseph Whidbey in a letter to John Barrow | [1823] |
| PT/17/7 | Paper, 'Experimental inquiries relative to the distribution and changes of the magnetic intensity, in ships of war' by George Harvey | 1 May 1823 |
| MS/957/71 | Letter from John Barrow, Admiralty, to Capt. B [Basil] Hall | 16 January 1824 |