| RefNo | Title | Date |
| EC/1906/04 | Bromwich, Thomas John I'Anson: certificate of election to the Royal Society | |
| RR/26/145 | Referee's report by John William Nicholson, on a paper 'The diffraction of plane electromagnetic waves by a perfectly reflecting sphere' by F Puryer White and Thomas John I'Anson Bromwich | [August 1921] |
| NLB/35/668 | Copy letter from Robert William Frederick Harrison, to Messrs Harrison & Sons | 28 June 1907 |
| RR/17/323 | Referee's report by Thomas John I'anson Bromwich, on a paper 'Functions of positive and negative type' by James Mercer | 10 February 1909 |
| NLB/32/747 | Copy letter from Robert William Frederick Harrison, to [Messrs Harrison & Sons] | [19 May 1906] |
| NLB/35/528 | Copy letter from Robert William Frederick Harrison, to Messrs Harrison & Sons | 10 June 1907 |
| NLB/37/37 | Copy letter from Robert William Frederick Harrison to Professor Bromwich FRS | 14 January 1908 |
| NLB/46/414 | Copy letter from Robert William Frederick Harrison, to Dr [Thomas John I'Anson] Bronwich, Fellow of the Royal Society | 27 July 1912 |
| NLB/47/328 | Copy letter from Robert William Frederick Harrison to Dr T [Thomson] J [John] l'Anson Bromwich FRS | 15 January 1913 |
| NLB/51/775 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society to Dr Thomas John Bromwich FRS | 26 June 1915 |
| NLB/51/812 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society to Professor Thomas John I'Anson Bromwich FRS | 6 July 1915 |
| RR/19/82 | Referee's report by Thomas John I'Anson Bromwich, on a paper 'The effect produced by an obstacle on a train of electric waves' by Hector Munro Macdonald | [July 1912] |
| RR/20/127 | Referee's report by Thomas John I'Anson Bromwich, on a paper 'Notes on a generalization of the sine conditions and on the ideal lens' by T Smith | January 1913 |
| RR/23/8 | Referee's report by Horace Lamb, on a paper 'The scattering of plane electric waves by spheres' by Thomas John I'Anson Bromwich | 9 July 1916 |
| RR/26/18 | Referee's report by Horace Lamb, on a paper 'The equilibrium of a heavy beam under end-load' by Thomas John I'Anson Bromwich | [July 1921] |
| NLB/53/534 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Dr. [Thomas John L'Anson] Bromwich, FRS | 25 October 1916 |
| NLB/56/716 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Professor [Thomas John I'Anson] Bromwich, FRS | 8 May 1919 |
| RR/17/332 | Referee's report by Thomas John I'anson Bromwich, on a paper 'The bending of electric waves round a spherical obstacle' by John William Nicholson | 10 August 1908 |
| RR/18/125 | Referee's report by Thomas John l'Anson Bromwich, on a paper 'On harmonic expansions' by Alfred Cardew Dixon | July 1911 |
| RR/23/7 | Referee's report by Joseph Larmor, on a paper 'The scattering of plane electric waves by spheres' by Thomas John I'Anson Bromwich | 25 May 1916 |
| RR/24/91 | Referee's report by Thomas John I'Anson Bromwich and Godfrey Harold Hardy, on a paper 'On the numerical solution of integral-equations' by Edmund Taylor Whittaker | 28 February 1918 |
| NLB/61/663 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Thomas John I'Anson] Bromwich, FRS | 4 October 1921 |
| NLB/61/621 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Thomas John I'Anson] Bromwich, FRS | 23 September 1921 |
| NLB/61/631 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Professor [Thomas John I'Anson] Bromwich, FRS | 26 September 1921 |
| NLB/61/792 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr. [Thomas John I'Anson] Bromwich, FRS | 26 October 1921 |
| RR/17/418 | Referee's report by Thomas John I'Anson Bromwich, on a paper 'The diffraction of electric waves round a perfectly reflecting obstacle' by Hector Munro Macdonald | February 1910 |
| NLB/66/270 | Copy letter from William Bate Hardy, Secretary of the Royal Society; to Dr [Thomas John I'Anson] Bromwich, FRS, St. Andrew's Hospital , Northampton | 1 April 1924 |
| NLB/72/668 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Professor [Godfrey Harold] Hardy, FRS | 21 February 1930 |
| IM/Maull/000585 | Bromwich, Thomas John I'anson | nd |
| RR/26/20 | Referee's report by John William Nicholson, on a paper 'The equilibrium of a heavy beam under end-load' by Thomas John I'Anson Bromwich | [September 1921] |
| RR/26/144 | Referee's report by Horace Lamb, on a paper 'The diffraction of plane electromagnetic waves by a perfectly reflecting sphere' by F Puryer White and Thomas John I'Anson Bromwich | [October 1921] |
| NLB/72/869 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to C. F. Hodgson Esq.; Newton Street, Kingsway, W.C.1. | 10 June 1930 |
| RR/23/6 | Referee's report by Hector Munro Macdonald, on a paper 'The scattering of plane electric waves by spheres' by Thomas John I'Anson Bromwich | May 1916 |
| RR/26/146 | Referee's report by Hector Munro Macdonald, on a paper 'The diffraction of plane electromagnetic waves by a perfectly reflecting sphere' by F Puryer White and Thomas John I'Anson Bromwich | 25 July 1921 |