| Reference number | Title | Date |
| RR/67/158 | Letter from J D Griffith Davies, Assistant Secretary of the Royal Society, on two papers 'The diffraction of sound pulses I. Diffraction by a semi-infinite plane' and 'The diffraction of sound pulses II. Diffraction by an infinite wedge' by Frederick Gerard Friedlander to A Ferguson | 1 March 1940 |
| RR/67/168 | Letter from Geoffrey Ingram Taylor, on two papers 'The diffraction of sound pulses I. Diffraction by a semi-infinite plane' and 'The diffraction of sound pulses II. Diffraction by an infinite wedge' by Frederick Gerard Friedlander to J D Griffith Davies, Assistant Secretary of the Royal Society | 30 May 1940 |
| RR/67/170 | Letter from the Ministry of Home Security, on two papers 'The diffraction of sound pulses I. Diffraction by a semi-infinite plane' and 'The diffraction of sound pulses II. Diffraction by an infinite wedge' by Frederick Gerard Friedlander to J D Griffith Davies, Assistant Secretary of the Royal Society | 8 July 1940 |
| RR/67/166 | Referee's report by Charles Herbert Lees, on two papers 'The diffraction of sound pulses I. Diffraction by a semi-infinite plane' and 'The diffraction of sound pulses II. Diffraction by an infinite wedge' by Frederick Gerard Friedlander | April 1940 |
| RR/67/160 | Letter from J D Griffith Davies, Assistant Secretary of the Royal Society, on two papers 'The diffraction of sound pulses I. Diffraction by a semi-infinite plane' and 'The diffraction of sound pulses II. Diffraction by an infinite wedge' by Frederick Gerard Friedlander to Edward Neville da Costa Andrade | 5 March 1940 |
| RR/67/162 | Referee's report by Edward Neville da Costa Andrade, on two papers 'The diffraction of sound pulses I. Diffraction by a semi-infinite plane' and 'The diffraction of sound pulses II. Diffraction by an infinite wedge' by Frederick Gerard Friedlander | April 1940 |
| RR/67/169 | Letter from J D Griffith Davies, Assistant Secretary of the Royal Society, on two papers 'The diffraction of sound pulses I. Diffraction by a semi-infinite plane' and 'The diffraction of sound pulses II. Diffraction by an infinite wedge' by Frederick Gerard Friedlander to R E Stradling, Ministry of Home Security | 2 July 1940 |
| RR/67/163 | Letter from J D Griffith Davies, Assistant Secretary of the Royal Society, on two papers 'The diffraction of sound pulses I. Diffraction by a semi-infinite plane' and 'The diffraction of sound pulses II. Diffraction by an infinite wedge' by Frederick Gerard Friedlander to Geoffrey Ingram Taylor | 9 April 1940 |
| RR/67/161 | Letter from Edward Neville da Costa Andrade, on two papers 'The diffraction of sound pulses I. Diffraction by a semi-infinite plane' and 'The diffraction of sound pulses II. Diffraction by an infinite wedge' by Frederick Gerard Friedlander to R Winckworth, Papers Secretary of the Royal Society | 5 April 1940 |
| RR/68/52 | Memoranda, on two papers 'The diffraction of sound pulses III. Note on an integral occurring in the theory of diffraction by a semi-infinite screen' and 'The diffraction of sound pulses IV. On a paradox in the theory of reflexion' by Frederick Gerard Friedlander | 22 December 1941 |
| RR/67/157 | Letter from Geoffrey Ingram Taylor and Herbert John Gough, on two papers 'The diffraction of sound pulses I. Diffraction by a semi-infinite plane' and 'The diffraction of sound pulses II. Diffraction by an infinite wedge' by Frederick Gerard Friedlander to The Royal Society | 29 February 1940 |
| RR/68/63 | Referee's report by Edward Neville da Costa Andrade, on two papers 'The diffraction of sound pulses III. Note on an integral occurring in the theory of diffraction by a semi-infinite screen' and 'The diffraction of sound pulses IV. On a paradox in the theory of reflexion' by Frederick Gerard Friedlander | [1941] |
| RR/68/54 | Advice note from University of Cambridge, regarding two papers 'The diffraction of sound pulses III. Note on an integral occurring in the theory of diffraction by a semi-infinite screen' and 'The diffraction of sound pulses IV. On a paradox in the theory of reflexion' by Frederick Gerard Friedlander | 17 December 1942 |
| RR/67/159 | Memorandum from J D Griffith Davies, Assistant Secretary of the Royal Society, on two papers 'The diffraction of sound pulses I. Diffraction by a semi-infinite plane' and 'The diffraction of sound pulses II. Diffraction by an infinite wedge' by Frederick Gerard Friedlander to William Lawrence Bragg | 5 March 1940 |
| RR/67/167 | Letter from J D Griffith Davies, Assistant Secretary of the Royal Society, on two papers 'The diffraction of sound pulses I. Diffraction by a semi-infinite plane' and 'The diffraction of sound pulses II. Diffraction by an infinite wedge' by Frederick Gerard Friedlander to Geoffrey Ingram Taylor | 2 May 1940 |
| RR/67/176 | Letter from University Press Cambridge, on two papers 'The diffraction of sound pulses I. Diffraction by a semi-infinite plane' and 'The diffraction of sound pulses II. Diffraction by an infinite wedge' by Frederick Gerard Friedlander to J D Griffith Davies, Assistant Secretary of the Royal Society | 5 August 1941 |
| RR/67/164 | Letter from Geoffrey Ingram Taylor, on two papers 'The diffraction of sound pulses I. Diffraction by a semi-infinite plane' and 'The diffraction of sound pulses II. Diffraction by an infinite wedge' by Frederick Gerard Friedlander to J D Griffith Davies, Assistant Secretary of the Royal Society | 10 April 1940 |
| RR/67/165 | Letter from J D Griffith Davies, Assistant Secretary of the Royal Society, on two papers 'The diffraction of sound pulses I. Diffraction by a semi-infinite plane' and 'The diffraction of sound pulses II. Diffraction by an infinite wedge' by Frederick Gerard Friedlander to Charles Herbert Lees | 15 April 1940 |
| RR/67/173 | Letter from J D Griffith Davies, Assistant Secretary of the Royal Society, on two papers 'The diffraction of sound pulses I. Diffraction by a semi-infinite plane' and 'The diffraction of sound pulses II. Diffraction by an infinite wedge' by Frederick Gerard Friedlander to the Ministry of Home Security | 11 September 1940 |
| RR/67/171 | Letter from the Ministry of Supply, on two papers 'The diffraction of sound pulses I. Diffraction by a semi-infinite plane' and 'The diffraction of sound pulses II. Diffraction by an infinite wedge' by Frederick Gerard Friedlander to J D Griffith Davies, Assistant Secretary of the Royal Society | 6 July 1940 |
| RR/67/172 | Letter from the Ministry of Home Security, on two papers 'The diffraction of sound pulses I. Diffraction by a semi-infinite plane' and 'The diffraction of sound pulses II. Diffraction by an infinite wedge' by Frederick Gerard Friedlander to J D Griffith Davies, Assistant Secretary of the Royal Society | 9 September 1940 |
| RR/68/53 | Letter from Stanley Vernon Goodall, regarding two papers 'The diffraction of sound pulses III. Note on an integral occurring in the theory of diffraction by a semi-infinite screen' and 'The diffraction of sound pulses IV. On a paradox in the theory of reflexion' by Frederick Gerard Friedlander | January 1942 |
| RR/68/62 | Letter from Margot Thomson, to John David Griffith Davies, regarding two papers 'The diffraction of sound pulses III. Note on an integral occurring in the theory of diffraction by a semi-infinite screen' and 'The diffraction of sound pulses IV. On a paradox in the theory of reflexion' by Frederick Gerard Friedlander | 12 January 1943 |
| RR/68/57 | Third letter to Frederick Gerard Friedlander, regarding two papers 'The diffraction of sound pulses III. Note on an integral occurring in the theory of diffraction by a semi-infinite screen' and 'The diffraction of sound pulses IV. On a paradox in the theory of reflexion' by Frederick Gerard Friedlander | 8 October 1942 |
| RR/68/58 | Note to Combridge University Press, regarding two papers 'The diffraction of sound pulses III. Note on an integral occurring in the theory of diffraction by a semi-infinite screen' and 'The diffraction of sound pulses IV. On a paradox in the theory of reflexion' by Frederick Gerard Friedlander | 23 November 1942 |
| RR/68/61 | Letter from Herbert John Gough, regarding two papers 'The diffraction of sound pulses III. Note on an integral occurring in the theory of diffraction by a semi-infinite screen' and 'The diffraction of sound pulses IV. On a paradox in the theory of reflexion' by Frederick Gerard Friedlander | 8 January 1943 |
| RR/68/59 | Note, regarding two papers 'The diffraction of sound pulses III. Note on an integral occurring in the theory of diffraction by a semi-infinite screen' and 'The diffraction of sound pulses IV. On a paradox in the theory of reflexion' by Frederick Gerard Friedlander | 4 January 1943 |
| RR/68/60 | Letter from L V Bow, Naval Construction Department, Admiralty, regarding two papers 'The diffraction of sound pulses III. Note on an integral occurring in the theory of diffraction by a semi-infinite screen' and 'The diffraction of sound pulses IV. On a paradox in the theory of reflexion' by Frederick Gerard Friedlander | 7 January 1943 |
| RR/68/56 | Second letter to Frederick Gerard Friedlander, regarding two papers 'The diffraction of sound pulses III. Note on an integral occurring in the theory of diffraction by a semi-infinite screen' and 'The diffraction of sound pulses IV. On a paradox in the theory of reflexion' by Frederick Gerard Friedlander | [1942] |
| EC/1980/10 | Friedlander, Frederick Gerard: certificate of election to the Royal Society | 1977 |
| RR/68/51 | Letter from John David Griffith Davies, regarding two papers 'The diffraction of sound pulses III. Note on an integral occurring in the theory of diffraction by a semi-infinite screen' and 'The diffraction of sound pulses IV. On a paradox in the theory of reflexion' by Frederick Gerard Friedlander | [1941] |
| RR/68/55 | Letter to Frederick Gerard Friedlander, regarding two papers 'The diffraction of sound pulses III. Note on an integral occurring in the theory of diffraction by a semi-infinite screen' and 'The diffraction of sound pulses IV. On a paradox in the theory of reflexion' by Frederick Gerard Friedlander | 29 May 1942 |
| RR/66/308 | Letter to Geoffrey Ingram Taylor, regarding two papers 'The air wave surrounding an expanding sphere' by Geoffrey Ingram Taylor, and 'The diffraction of sound pulses III. Note on an integral occurring in the theory of diffraction by a semi-infinite screen' by Frederick Gerard Friedlander | 3 July 1946 |
| RR/68/50 | Letter from Geoffrey Ingram Taylor, to Alfred Charles Glyn Egerton, regarding three papers 'The free streaming of gases in sloping galleries' by E H M Georgeson, 'The diffraction of sound pulses III. Note on an integral occurring in the theory of diffraction by a semi-infinite screen' and 'The diffraction of sound pulses IV. On a paradox in the theory of reflexion' by Frederick Gerard Friedlander | 14 November 1941 |
| RR/67/175 | Letter from the Secretary of the Royal Society, on two papers 'The diffraction of sound pulses I. Diffraction by a semi-infinite plane' and 'The diffraction of sound pulses II. Diffraction by an infinite wedge' by Frederick Gerard Friedlander to Geoffrey Ingram Taylor | 17 September 1940 |
| RR/67/174 | Letter from Geoffrey Ingram Taylor, on two papers 'The diffraction of sound pulses I. Diffraction by a semi-infinite plane' and 'The diffraction of sound pulses II. Diffraction by an infinite wedge' by Frederick Gerard Friedlander to J D Griffith Davies, Assistant Secretary of the Royal Society | 12 September 1940 |