| RefNo | Title | Date |
| EC/1937/09 | Hawkins, Herbert Leader: certificate of election to the Royal Society | |
| IM/001997 | Hawkins, Herbert Leader | nd |
| RR/48/16 | Second referee's report by William Kingdon Spencer, on a paper 'The lantern and girdle of some recent and fossil Echinoidea' by Herbert Leader Hawkins | [April 1934] |
| NLB/57/222 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to HL Hawkins Esq; University College, Reading | 15 September 1919 |
| RR/48/14 | Referee's report by William Dickson Lang, on a paper 'The lantern and girdle of some recent and fossil Echinoidea' by Herbert Leader Hawkins | [January 1934] |
| NLB/57/31 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to HL [Herbert Leader] Hawkins Esq, FRS | 4 July 1919 |
| RR/63/98 | Referee's report by Herbert Leader Hawkins, on a paper 'The phylogeny of the ammonite family liparoceratidae' by L F Spath | April 1937 |
| RR/48/12 | Referee's report by William Kingdon Spencer, on a paper 'The lantern and girdle of some recent and fossil Echinoidea' by Herbert Leader Hawkins | [February 1934] |
| RR/48/13 | Referee's report by Ernest William MacBride, on a paper 'The lantern and girdle of some recent and fossil Echinoidea' by Herbert Leader Hawkins | [January 1934] |
| RR/48/15 | Referee's report by William Thomas Calman, on a paper 'The lantern and girdle of some recent and fossil Echinoidea' by Herbert Leader Hawkins | [March 1934] |
| RR/64/112 | Referee's report by Herbert Leader Hawkins, on a paper 'Two new Echinoidea, Aulechinus and Ectinechinus, and an adult plated holothurian, Eothuria, from the Upper Ordovician of Girvan, Scotland' by Ernest William MacBride and William Kingdon Spencer | [October 1937] |
| RR/74/12 | Referee's report by Herbert Leader Hawkins, on a paper 'Early Palaeozoic starfish' by William Kingdon Spencer | March 1950 |
| RR/W/5/23 | Original summary note from the Royal Society editorial department, for a paper 'The phylogeny of the ammonite family Liparoceratidae' by [Leonard Frank] Spath | February - April 1937 |
| RR/W/5/30 | Letter from Arthur Smith Woodward to [Ronald] Winckworth, regarding a paper 'The phylogeny of the ammonite family Liparoceratidae' by [Leonard Frank] Spath | 18 March 1937 |
| RR/W/5/31 | Copy letter from the Assistant Secretary of the Royal Society [Ronald Winckworth] to [Herbert Leader] Hawkins, regarding a paper 'The phylogeny of the ammonite family Liparoceratidae' by [Leonard Frank] Spath | 19 March 1937 |
| RR/W/5/32 | Letter from Herbert [Leader] Hawkins to [Ronald] Winckworth, regarding a paper 'The phylogeny of the ammonite family Liparoceratidae' by [Leonard Frank] Spath | March 1937 |
| RR/W/5/35 | Copy of Referee's comments [by Herbert Leader Hawkins], on a paper 'The phylogeny of the ammonite family Liparoceratidae' by [Leonard Frank] Spath | [April 1937] |
| RR/W/5/33 | Postcard from [Herbert Leader] Hawkins to the Secretary of the Royal Society, regarding a paper 'The phylogeny of the ammonite family Liparoceratidae' by [Leonard Frank] Spath | 27 March 1937 |
| RR/W/5/36 | Copy of Referee's comments [by Herbert Leader Hawkins], on a paper 'The phylogeny of the ammonite family Liparoceratidae' by [Leonard Frank] Spath | [April 1937] |
| RR/W/5/38 | Letter from [William Dickson] Lang to [Archibald Vivian] Hill, regarding a paper 'The phylogeny of the ammonite family Liparoceratidae' by [Leonard Frank] Spath | 5 May 1937 |
| RR/W/5/40 | Copy letter from the Secretary of the Royal Society to Sir Arthur Smith Woodward, regarding a paper 'The phylogeny of the ammonite family Liparoceratidae' by [Leonard Frank] Spath | 7 May 1937 |
| RR/W/5/41 | Letter from Arthur Smith Woodward to [Archibald Vivian] Hill, regarding a paper 'The phylogeny of the ammonite family Liparoceratidae' by [Leonard Frank] Spath | 8 May 1937 |
| RR/76/47 | Referee's report by Herbert Leader Hawkins, on a paper 'Jurassic ammonites from Jebel Tuwaiq, Central Arabia with stratigraphical introduction. Part I. Stratigraphical introduction Part II The ammonite faunas from Jebel Tuwaiq' by William Joscelyn Arkell, R A Bramkamp and M Steineke | 30 July 1951 |