| Reference number | Title | Date |
| GLB/65/112/13 | Application by J Z Young to Science Research Council for a Research Grant | [1969] |
| IM/GA/WRS/8698 | Young, John Zachary | nd |
| IM/GA/SGRS/8421 | Young, John Zachary | 1985 |
| GLB/65/66/40 | J Z Young, Department of Anatomy, University College London to Brown | 17 April 1964 |
| GLB/65/112/15 | Brown to J A Findley, Science Research Council | 30 January 1969 |
| GLB/65/112/14 | J A Findley, Science Research Council to Brown | 28 January 1969 |
| IM/005036 | Young, John Zachary | nd |
| IM/005037 | Young, John Zachary | nd |
| GLB/65/66/39 | Brown to J Z Young, Department of Anatomy, University College London | 14 April 1964 |
| PB/1/33/4/8 | President of the Royal Society | 1965 |
| CMB/281/35 | Notes on papers passed for publication in Philosophical Transactions | May 1961 |
| IM/GA/GRS/5211 | Young, John Zachary | nd |
| RR/34/134 | Referee's report by William Lawrence Bragg, on a paper 'The crystal structure of meteoric iron as determined by X-ray analysis' by John Zachary Young | [August 1926] |
| RR/42/88 | Referee's report by Hamilton Hartridge, on a paper 'The pupillary mechanism of the teleostean fish Uranoscopus scaber' by John Zachary Young | November 1930 |
| RR/61/38 | Referee's report by William Edward Garner, on a paper 'The ultrastructure of nerve axoplasm' by Richard S Bear, Francis O Schmitt and John Zachary Young | May 1937 |
| RR/72/12 | Referee's report by John Zachary Young, on a paper 'Some quantitative dental characteristics of the chimpanzee, gorilla and orang-outang' by E H Ashton and Solly Zuckerman | 1949 |
| RR/57/63 | Second referee's report by Henry Hallett Dale, on a paper 'The innervation and reactions to drugs of the viscera of teleostean fish' by John Zachary Young | [March 1936] |
| RR/65/287 | Referee's report by Carl Frederick Abel Pantin, on a paper 'Fused neurons and synaptic contacts in the giant nerve fibres of cephalopods' by John Zachary Young | November 1938 |
| RR/61/42 | Referee's report by William Edward Garner, on a paper 'The sheath components of the giant nerve fibres of the squid' by Richard S. Bear, Francis O. Schmitt and John Zachary Young | May 1937 |
| RR/61/41 | Referee's report by William Edward Garner, on a paper 'Investigation on the protein constituents of nerve axoplasm' by Richard S Bear, Francis O Schmitt and John Zachary Young | May 1937 |
| RR/61/40 | Referee's report by Carl Frederick Abel Pantin, on a paper 'Investigation on the protein constituents of nerve axoplasm' by Richard S Bear, Francis O Schmitt and John Zachary Young | May 1937 |
| RR/62/110 | Referee's report by James Gray, on a paper 'The structure of nerve fibres in cephalopods and crustacea' by John Zachary Young | [June 1936] |
| RR/68/231 | Letter from John Zachary Young, to Archibald Vivian Hill, regarding a paper 'The giant myelinated nerve fibres of the prawn' by William Holmes | 15 May 1942 |
| RR/68/243 | Referee's report by John Zachary Young, on a paper 'The autonomic nervous system of the earthworm' by Flight-lieutenant Norman Millott | [March 1940] |
| RR/68/242 | Letter from John Zachary Young, to Archibald Vivian Hill, regarding a paper 'The autonomic nervous system of the earthworm' by Flight-lieutenant Norman Millott | 20 March 1940 |
| RR/68/398 | Referee's report by John Zachary Young, on a paper 'The visceral nervous system of the earthworm II. Evidence of chemical transmission and the action of sympatheticomimetic and parasympatheticomimetic drugs on the tone of the alimentary canal' by Flight-lieutenant Norman Millott | [1943] |
| RR/72/4 | Referee's report by John Zachary Young, on a paper 'The influence of nerve fibres on Schwann cell migration investigated in tissue culture' by Michael Abercrombie, M L Johnson and G A Thomas | 1949 |
| RR/72/11 | Referee's report by John Zachary Young, on a paper 'The influence of geographic isolation on the skull of the green monkey (Cercopithecus aethiops sabaeus) I. A comparison between the teeth of the St Kitts and the African green monkey' by E H Ashton and Solly Zuckerman | 1949 |
| RR/72/10 | Referee's report by John Zachary Young, on a paper 'Some quantitative dental characters of fossil anthropoids' by E H Ashton and Solly Zuckerman | 1949 |
| RR/72/1 | Referee's report by John Zachary Young, on a paper 'The effects of antero-posterior reversal of lengths of the primitive streak in the chick' by Michael Abercrombie | 7 August 1949 |
| RR/72/191 | Letter from D C Martin, Assistant Secretary of the Royal Society, on a paper 'Reproduction in the basking shark, Cetorhinus maximus (gunner)' by Leonard Harrison Matthews to John Zachary Young | 12 July 1949 |
| RR/70/188 | Referee's report by John Zachary Young, on a paper 'The histophysiology of the alimentary canal of the earthworm Lumbricus terrestris Linnaeus - I. The process of extrusion from the intestinal glands, and other features of the intestinal epithelium' by Norman Millott | 1947 |
| IM/GA/WS/3906 | Young, John Zachary | nd |
| RR/61/43 | Referee's report by Carl Frederick Abel Pantin, on a paper 'The sheath components of the giant nerve fibres of the squid' by Richard S. Bear, Francis O. Schmitt and John Zachary Young | May 1937 |
| RR/72/192 | Referee's report by John Zachary Young, on a paper 'Reproduction in the basking shark, Cetorhinus maximus (gunner)' by Leonard Harrison Matthews | 1949 |
| RR/46/125 | Referee's report by John Herbert Parsons, on a paper 'Comparative studies on the physiology of the iris.-II. Uranoscopus and Lophius' by John Zachary Young | [November 1932] |
| EC/1945/21 | Young, John Zachary: certificate of election to the Royal Society | |
| PB/1/33/2 | Correspondence concerning the Copley Medal of the Royal Society | 1956 |
| RR/59/96 | Second referee's report by Edgar Douglas Adrian, 1st Baron Adrian of Cambridge, on a paper 'Electrical activity of the central nervous system of the frog' by R W Gerard and John Zachary Young | [December 1936] |
| RR/68/244 | Referee's report by John Zachary Young, on a paper 'The visceral nervous system of the earthworm: I. Nerves controlling the tone of the alimentary canal' by Flight-lieutenant Norman Millott | [1942] |
| RR/46/124 | Referee's report by John Herbert Parsons, on a paper 'Comparative studies on the physiology of the iris. -I. Selachians' by John Zachary Young | [November 1932] |
| RR/57/62 | Referee's report by Henry Hallett Dale, on a paper 'The innervation and reactions to drugs of the viscera of teleostean fish' by John Zachary Young | [December 1935] |
| RR/59/95 | Referee's report by Edgar Douglas Adrian, 1st Baron Adrian of Cambridge, on a paper 'Electrical activity of the central nervous system of the frog' by R W Gerard and John Zachary Young | 4 November 1936 |
| RR/65/288 | Referee's report by Edgar Douglas Adrian, on a paper 'Fused neurons and synaptic contacts in the giant nerve fibres of cephalopods' by John Zachary Young | November 1938 |
| RR/70/213 | Letter from John Zachary Young, on a paper 'The thickness of the myelin sheaths of normal and regenerating peripheral nerve fibres' by F K Sanders to D C Martin, Assistant Secretary of the Royal Society | 12 November 1947 |
| RR/70/214 | Letter from John Zachary Young, on a paper 'The thickness of the myelin sheaths of normal and regenerating peripheral nerve fibres' by F K Sanders to D C Martin, Assistant Secretary of the Royal Society | 5 December 1947 |
| RR/70/215 | Referee's report by John Zachary Young, on a paper 'The thickness of the myelin sheaths of normal and regenerating peripheral nerve fibres' by F K Sanders | 14 August 1947 |
| RR/74/53 | Referee's report by John Zachary Young, on a paper 'The influence of geographic isolation on the skull of the green monkey. II The cranial dimensions of the St Kitts and African green money' by E H Ashton and Solly Zuckerman | 21 October 1950 |
| RR/74/60 | Referee's report by John Zachary Young, on a paper 'Observations on the discovery of a new source of food by the honeybee (Apis Mellifera L.)' by Colin Gasking Butler | 13 December 1950 |
| RR/78/12 | Referee's report by George Lindor Brown, on a paper 'The nodes of Ranvier' by A Hess and John Zachary Young | 7 April 1952 |
| RR/76/35 | Referee's report by John Zachary Young, on a paper 'The localization of respiratory regions in the rhombencephalon of the sheep' by Emmanuel Ciprian Amoroso, F R Bell and H Rosenberg | 6 June 1951 |
| RR/76/31 | Referee's report by Edgar Douglas Adrian, on a paper 'The sizes of the nerve fibres of muscle nerves' by V S V Fernand and John Zachary Young | 9 May 1951 |
| RR/80/16 | Referee's report by John Zachary Young, on a paper 'On the thalamo-cortical connexions of the general sensory cortex of Macaca' by Wilfrid Edward Le Gros Clark and Thomas Philip Stroud Powell | 24 March 1953 |
| RR/74/54 | Letter from John Zachary Young, on a paper 'The influence of geographic isolation on the skull of the green monkey. II The cranial dimensions of the St Kitts and African green money' by E H Ashton and Solly Zuckerman, to D C Martin, assistant secretary of the Royal Society | 2 October 1950 |
| RR/74/55 | Referee's report by John Zachary Young, on a paper 'The influence of geographic isolation on the skull of the green monkey. III The developmental stability of the skulls and teeth of the St Kitts and African green monkeys' by E H Ashton and Solly Zuckerman | 21 October 1950 |
| RR/74/61 | Letter from John Zachary Young, on a paper 'Observations on the discovery of a new source of food by the honeybee (Apis Mellifera L.)' by Colin Gasking Butler, to D C Martin, assistant secretary of the Royal Society | 12 February 1951 |