| RefNo | Title | Date |
| EC/1888/18 | Parker, Thomas Jeffery: certificate of election to the Royal Society | |
| NLB/5/1047 | Copy letter from Herbert Rix, to Professor Michael Foster, Secretary, Royal Society | 18 December 1891 |
| NLB/2/640 | Copy letter from Herbert Rix, to Professor [William Kitchen] Parker, [Fellow of the Royal Society] | 1 October 1888 |
| NLB/2/416 | Copy letter from Herbert Rix, to General Sir William Jervois, Fellow of the Royal Society | 12 June 1888 |
| NLB/2/275 | Copy letter from Herbert Rix, to Professor William Kitchen Parker, Fellow of the Royal Society | 23 March 1888 |
| NLB/5/61 | Copy letter from an unknown correspondent, to Messrs West, Newman & Company | 4 March 1891 |
| NLB/7/827 | Copy letter from Herbert Rix, to Professor William Newton Parker, 74 Landaff Road, Cardiff | 5 May 1893 |
| NLB/5/653 | Copy letter from Theodore E James, to Professor Thomas Jeffery Parker, Fellow of the Royal Society | 10 August 1891 |
| NLB/7/320 | Copy letter from Herbert Rix, to Professor Thomas Jeffery Parker, Fellow of the Royal Society, care of Reverend F G M Powell, the Parsonage Dalkeith, N.B. | 20 January 1893 |
| NLB/11/613 | Copy letter from Theodore E James, to Professor Thomas Jeffery Parker, Fellow of the Royal Society | 10 August 1895 |
| NLB/14/358 | Copy letter from Robert William Frederick Harrison, to Messrs Harrison & Sons | 23 February 1897 |
| NLB/15/848 | Copy letter from Theodore E James, to Messrs Harrison & Sons | 21 December 1897 |
| RR/11/195 | Referee's report by Adam Sedgwick, on a paper 'Additional observations on the development of apteryx' by Thomas Jeffery Parker | 5 February 1892 |
| RR/11/194 | Referee's report by Arthur Milnes Marshall, on a paper 'Additional observations on the development of apteryx' by Thomas Jeffery Parker | 8 January 1892 |
| NLB/2/665 | Copy letter from Herbert Rix, to Professor [William Kitchen] Parker, [Fellow of the Royal Society] | 6 October 1888 |
| RR/9/385 | Referee's report by Albert Charles Lewis Gotthilf Gunther, on a paper 'On the blood-vessels of mustelus antarcticus: a contribution to the morphology of the vascular system in the vertebrata' by Thomas Jeffery Parker | 20 July 1886 |
| MC/12/372 | Letter from H N [Henry Nottidge] Moseley, Savile Club, 107 Piccadilly, to [Michael] Foster, [Secretary of the Royal Society] | 19 December 1883 |
| MC/12 | Volume 12 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1880-1883 |
| RR/9/386 | Referee's report by Adam Sedgwick, on a paper 'On the blood-vessels of mustelus antarcticus: a contribution to the morphology of the vascular system in the vertebrata' by Thomas Jeffery Parker | 16 August 1886 |
| PP/10/54 | Paper, 'Note to a paper on the blood-vessels of Mustelus antarcticus [Gummy shark]' by Thomas Jeffery Parker | 1887 |
| PP/11/28 | Paper, 'Preliminary note on the development of the skeleton of the apteryx' by Thomas Jeffery Parker | 1888 |
| PP/11/35 | Paper, 'Second preliminary note on the development of Apteryx' by Thomas Jeffery Parker | 1888 |
| PP/11/28/2 | Diagrams, the development of the skeleton of the apteryx by Thomas Jeffery Parker | 1888 |
| PP/11/35/1 | Manuscript, 'Second preliminary note on the development of Apteryx' by Thomas Jeffery Parker | 1888 |
| PP/11/35/2 | Figures, 'Apteryx australis [southern brown kiwi] and oweni [owenii, little spotted kiwi]' by Thomas Jeffery Parker | 1888 |
| RR/10/366 | Referee's report by Arthur Milnes Marshall, on a paper 'Observation on the anatomy and development of Apteryx' by Thomas Jeffery Parker | 20 April 1890 |
| RR/10/367 | Referee's report by Adam Sedgwick, on a paper 'Observation on the anatomy and development of Apteryx' by Thomas Jeffery Parker | 21 May 1890 |
| PP/11/28/1 | Manuscript, 'Preliminary note on the development of the skeleton of the apteryx' by Thomas Jeffery Parker | 1888 |