| Reference number | Title | Date |
| EC/1854/04 | Clarke, Jacob Augustus Lockhart: certificate of election to the Royal Society | |
| IM/000872 | Clarke, Jacob Augustus Lockhart | nd |
| IM/Maull/000871 | Clarke, Jacob Augustus Lockhart | nd |
| RR/3/72 | Referee's report by William Carpenter, on a paper 'On the nervous system of lumbricus terrestris' by Jacob Augustus Lockhart Clarke | 23 April 1857 |
| RR/3/74 | Referee's report by William Sharpey, on a paper 'Researches on the intimate structure of the brain; human and comparative.—Part I. The medulla oblongata' by Jacob Augustus Lockhart Clarke | 1858 |
| RR/3/77 | Referee's report by William Sharpey, on a paper 'Further researches on the grey substance of the spinal cord' by Jacob Augustus Lockhart Clarke | 1858 |
| RR/6/80 | Referee's report by Lionel Smith Beale, on a paper 'Researches on the intimate structure of the brain.—Second series' by Jacob Augustus Lockhart Clarke | 14 October 1867 |
| RR/3/75 | Referee's report by James Paget on a paper, 'Researches on the intimate structure of the brain, human and comparative.—First series. On the structure of the medulla oblongata' by Jacob Augustus Lockhart Clarke | 30 January 1858 |
| RR/6/79 | Referee's report by William Sharpey, on a paper 'On the structure of the optic lobes of the cuttle-fish' by Jacob Augustus Lockhart Clarke | 21 February 1867 |
| RR/6/82 | Referee's report by William Sharpey, on a paper 'Researches on the intimate structure of the brain.—Second series' by Jacob Augustus Lockhart Clarke | nd [1868] |
| RR/6/77 | Referee's report by Lionel Smith Beale, on a paper 'On the structure of the optic lobes of the cuttle-fish' by Jacob Augustus Lockhart Clarke | 11 January 1867 |
| RR/6/28 | Letter from Jacob Augustus Lockhart Clarke, to George Gabriel Stokes, regarding a paper 'On the structure of the cerebral hemispheres' by William Henry Broadbent | 17 August 1869 |
| AP/39/8/2 | Unpublished figures, 'Pigment laminae and masses' by J [Jacob Augustus] Lockhart Clarke | 1856 |
| RR/2/47 | Referee's report by William Bowman, on a paper 'On certain functions of the spinal chord, with further investigations into its structure' by Jacob Augustus Lockhart Clarke | 15 June 1853 |
| RR/8/178 | Referee's report by Jacob Augustus Lockhart Clarke, on a paper [attributed] 'An account of experiments on the influence of colloids upon crystalline form, and on movements observed in mixtures of colloids with crystalloids' by William Miller Ord | 4 June 1879 |
| RR/3/73 | Referee's report by George Busk, on a paper 'On the nervous system of Lumbricus terrestris' by Jacob Augustus Lockhart Clarke | 1857 |
| RR/5/135 | Referee's report by Jacob Augustus Lockhart Clarke, on a paper 'A description of the pneumogastric and great sympathetic nerves in an acephalous foetus' by Robert Lee | 6 February 1864 |
| PT/75/5 | Illustrations produced for the Philosophical Transactions of the Royal Society, volume 141 | 1850 |
| PT/42/12 | Paper, 'Researches into the structure of the spinal cord' by J [Jacob Augustus] Lockhart Clarke | [1850] |
| RR/3/76 | Referee's report by James Paget, on a paper 'Further researches on the grey substance of the spinal cord' by Jacob Augustus Lockhart Clarke | 18 October 1858 |
| PT/67/4/5 | Plate, nerve fibres, spinal cord, and intervertebral ganglion of human foetus and grey and white substance and intervertebral ganglion of foetal sheep by J L [Jacob Augustus Lockhart] Clarke | 20 May 1862 |
| PT/67/4/4 | Plate, canal and anterior grey substance of human foetus by J L [Jacob Augustus Lockhart] Clarke | 20 May 1862 |
| PT/67/4/9 | Plate, cells, spinal cord, intervertebral ganglion, and pia mater from foetal sheep and transverse sections of spinal cord of human foetus by J L [Jacob Augustus Lockhart] Clarke | 20 May 1862 |
| RR/5/11 | Referee's report by Jacob Augustus Lockhart Clarke, on a paper 'On the structure and formation of the so-called apolar, unipolar, and bipolar nerve-cells of the frog' by Lionel Smith Beale | 25 July 1863 |
| PT/67/4/3 | Plate, transverse section of spinal column and cord of human foetus by J L [Jacob Augustus Lockhart] Clarke | 20 May 1862 |
| PT/67/4/2 | Plate, transverse sections of spinal column and cord of foetal sheep by J L [Jacob Augustus Lockhart] Clarke | [1862] |
| PT/67/4/7 | Plate, nerve cells from human foetus by J L [Jacob Augustus Lockhart] Clarke | 20 May 1862 |
| PT/67/4/8 | Plate, transverse sections of spinal column and cord of chick and cells from ganglia of chick and slug by J L [Jacob Augustus Lockhart] Clarke | 20 May 1862 |
| PT/67/4/6 | Plate, lumbar enlargements of foetal sheep and ox and grey substance of foetal sheep by J L [Jacob Augustus Lockhart] Clarke | 20 May 1862 |
| PT/67/4/1 | Manuscript, 'Researches on the development of the spinal cord, in man, mammalia and birds' by J [Jacob Augustus] Lockhart Clarke | [1862] |
| RR/5/52 | Referee's report by George Busk, on a paper 'Researches on the development of the spinal cord in man, mammalia, and birds' by Jacob Augustus Lockhart Clarke | 2 July 1862 |
| PT/75/5/2 | Drawing, grey substance from calf spinal chord by J [Jacob Augustus] L [Lockhart] Clarke | [1850] |
| PT/75/5/3 | Drawing, grey substance from calf spinal chord by J [Jacob Augustus] L [Lockhart] Clarke | [1850] |
| PT/75/5/10 | Drawing, white and grey substance from lumbar enlargement of calf spinal chord by J [Jacob Augustus] L [Lockhart] Clarke | [1850] |
| PT/75/8/17 | Drawings, section of grey substance of human by J [Jacob Augustus] L [Lockhart] Clarke | [1858] |
| PT/75/8/22 | Drawings, 'Transverse sections thro' the filum terminale of ox' by J [Jacob Augustus] L [Lockhart] Clarke | [1858] |
| PT/75/5/11 | Drawing, grey substance from cervical enlargement of calf spinal chord by J [Jacob Augustus] L [Lockhart] Clarke | [1850] |
| PT/75/5/1 | Drawings, white and grey substance from calf spinal chord by J [Jacob Augustus] L [Lockhart] Clarke | [1850] |
| PT/75/5/9 | Drawing, grey substance from dorsal region of calf spinal chord by [Jacob Augustus Lockhart Clarke] | [1850] |
| PT/75/5/6 | Drawing, grey substance from dorsal region of calf spinal chord by J [Jacob Augustus] L [Lockhart] Clarke | [1850] |
| PT/75/5/4 | Drawing, white and grey substance from lumbar enlargement of calf spinal chord by J [Jacob Augustus] L [Lockhart] Clarke | [1850] |
| PT/75/5/8 | Drawing, white and grey substance from cervical enlargement of calf spinal chord by J [Jacob Augustus] L [Lockhart] Clarke | [1850] |
| PT/75/5/12 | Drawing, caudate vesicles by J [Jacob Augustus] L [Lockhart] Clarke | [1850] |
| PT/75/7/25 | Drawing, grey lamina of olivary body by J [Jacob Augustus] L [Lockhart] Clarke | June 1857 |
| PT/75/7/21 | Drawings, base of brain of cod, fowl, dog, and cat by J [Jacob Augustus] L [Lockhart] Clarke | June 1857 |
| PT/75/7/23 | Drawings, medulla of sheep, human, and cat by J [Jacob Augustus] L [Lockhart] Clarke | June 1857 |
| PT/75/5/7 | Drawing, white and grey substance from dorsal region of calf spinal chord by J [Jacob Augustus] L [Lockhart] Clarke | [1850] |
| PT/75/5/13 | Drawing, white and grey substance from medulla oblongata of calf by J [Jacob Augustus] L [Lockhart] Clarke | [1850] |
| PT/75/5/5 | Drawing, grey substance from lumbar enlargement of calf spinal chord by J [Jacob Augustus] L [Lockhart] Clarke | [1850] |
| PT/75/8/15 | Drawing, transverse section of spinal cord of ox by J [Jacob Augustus] L [Lockhart] Clarke and G West | [1858] |
| PT/75/8/19 | Drawings, cells from spinal cord of ox, calf, and human by J [Jacob Augustus] L [Lockhart] Clarke | [1858] |
| PT/75/8/20 | Drawings, 'Transverse sections of the spinal cord of domestic fowl' by J [Jacob Augustus] L [Lockhart] Clarke | [1858] |
| PT/75/8/24 | Drawing, 'Transverse section of the human spinal cord, at the third cervical nerve: lines drawn blue are the spinal accesory roots x60' | [1858] |
| PT/75/7/26 | Drawings, transverse sections of human medulla by J [Jacob Augustus] L [Lockhart] Clarke | June 1857 |
| MC/7/136 | Letter from J [Jakob] Lockhart Clarke, 60 Warwick Street, Belgravia, to Dr [William] Sharpey, Secretary of the Royal Society | 7 November 1864 |
| MC/7 | Volume 7 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1864-1866 |
| PT/75/7/30 | Drawings, medulla and nerves of the cat, dog, and guinea pig by J [Jacob Augustus] L [Lockhart] Clarke | June 1857 |
| AP/39/8 | Unpublished paper, 'On the nervous system of Lumbricus terrestris [common earthworm]' by J [Jacob Augustus] Lockhart Clarke | 1856 |
| AP/39/8/3 | Unpublished figure, 'Brain or cephalic ganglion, with pharyngeal collar, pharyngeal chain, and first subventral [subventricular] ganglion' by J [Jacob Augustus] Lockhart Clarke | 1856 |
| AP/39/8/1 | Unpublished manuscript, 'On the nervous system of Lumbricus terrestris' by J [Jacob Augustus] Lockhart Clarke | 1856 |
| AP/39/8/5 | Unpublished figure, 'Anterior part of subventral [subventricular] chain of ganglion' by J [Jacob Augustus] Lockhart Clarke | 1856 |
| RR/5/51 | Referee's report by William Sharpey, on a paper 'Researches on the development of the spinal cord in man, mammalia, and birds' by Jacob Augustus Lockhart Clarke | 23 June 1862 |
| RR/2/46 | Referee's report by William Sharpey, on a paper 'On certain functions of the spinal chord, with further investigations into its structure' by Jacob Augustus Lockhart Clarke | 1853 |
| AP/39/8/4 | Unpublished figures, 'Minute ganglia, cells and fibres from pharyngeal plexus' by J [Jacob Augustus] Lockhart Clarke | 1856 |
| AP/39/8/6 | Unpublished figures, Lumbricus terrestris [common earthworm] anatomy by J [Jacob Augustus] Lockhart Clarke | 1856 |
| RR/2/44 | Referee's report by Marshall Hall, on a paper 'Researches into the structure of the spinal chord' by Jacob Augustus Lockhart Clarke | 18 February 1851 |
| RR/2/45 | Referee's report by William Bowman, on a paper 'Researches into the structure of the spinal chord' by Jacob Augustus Lockhart Clarke | 20 February 1851 |
| AP/33/8 | Unpublished paper, 'Researches into the structure of the spinal cord' by Jacob Augustus Lockhart Clarke | 1850 |
| PT/67/4 | Paper, 'Researches on the development of the spinal cord, in man, mammalia and birds' by J [Jacob Augustus] Lockhart Clarke | [1862] |
| PT/75/7/29 | Drawings, transverse section of human medulla by J [Jacob Augustus] L [Lockhart] Clarke | June 1857 |
| PT/75/7/22 | Drawings, medulla oblongata of human, sheep, and cheetah by J [Jacob Augustus] L [Lockhart] Clarke | June 1857 |
| PT/75/7/24 | Drawings, transverse sections of medulla of human, sheep, and fowl by J [Jacob Augustus] L [Lockhart] Clarke | June 1857 |
| PT/75/7/27 | Drawings, brain of fowl and ganglia and olivary bodies of human by J [Jacob Augustus] L [Lockhart] Clarke | June 1857 |
| PT/75/7/28 | Drawings, 'Transverse sections of human medulla' by J [Jacob Augustus] L [Lockhart] Clarke | June 1857 |
| PT/75/8/16 | Drawings, transverse section of grey substance of ox by J [Jacob Augustus] L [Lockhart] Clarke | [1858] |
| PT/75/8/18 | Drawings, 'Transverse sections of spinal chord [sic] of tortoise' by J [Jacob Augustus] L [Lockhart] Clarke | [1858] |
| PT/75/8/21 | Drawings, sections of spinal cord of woman and ox by J [Jacob Augustus] L [Lockhart] Clarke | [1858] |
| PT/75/8/23 | Drawings, lumbar and cervical enlargements of the tortoise by J [Jacob Augustus] L [Lockhart] Clarke | [1858] |