| RefNo | Title | Date |
| IM/002248 | Hopkins, William | nd |
| EC/1837/23 | Hopkins, William: certificate of election to the Royal Society | |
| MM/14/77 | 'Memorandum from the President and Council of the Royal Society to the Board of Trade on the subject of Iron Ships and their Compasses, by E Hopkins | 18 May 1865 |
| RR/3/268 | Referee's report by William Hopkins, on a paper 'On some physical properties of ice' by John Tyndall | 9 March 1858 |
| RR/4/188 | Referee's report by William Hopkins, on a paper 'On the motion of a plate of metal on an inclined plane, when dilated and contracted; and on the descent of glaciers' by Henry Moseley | 21 June 1861 |
| RR/2/101 | Second referee's report by William Hopkins, on a paper 'Researches in terrestrial physics.-Part II' by Henry Hennessy | 30 May 1851 |
| RR/4/138 | Referee's report by William Allen Miller, on a paper 'On the forces that produce the great currents of the air and of the ocean' by William Hopkins | 25 February 1860 |
| RR/4/144 | Referee's report by William Hopkins, on a paper 'On some thermo-dynamic properties of solids' by James Prescott Joule | 13 December 1858 |
| RR/4/135 | Referee's report by William Thomson, Lord Kelvin on a paper 'On the construction of a new calorimeter for determining the radiating powers of surfaces in air; and its application to the surfaces of various mineral substances' by William Hopkins | [1860] |
| MC/3/31 | Letter from [William] Hopkins, Cambridge, to Dr. [Peter Mark] Roget, [Secretary of the Royal Society] | 4 July 1839 |
| PT/66/8/1 | Manuscript, 'On the theory of the motion of glaciers' by W [William] Hopkins | [1862] |
| MC/3/36 | Letter from [William] Hopkins, Cambridge, to Dr. [Peter Mark] Roget, Secretary of the Royal Society | 20 July 1839 |
| RR/1/107 | Referee's report by William Whewell, on a paper 'On the state of the interior of the earth' by William Hopkins | 16 February 1839 |
| RR/2/96b | Referee's report by William Hopkins, on a paper 'Researches in terrestrial physics.-Part II' by Henry Hennessy | 4 April 1851 |
| RR/2/238 | Referee's report by William Hopkins, on a paper 'On the thermal effects of fluids in motion - Part II' by William Thomson, 1st Baron Kelvin and James Prescott Joule | 17 October 1854 |
| RR/2/194 | Referee's report by William Hopkins, on a paper 'On the attraction of the Himalaya Mountains, and of the elevated regions beyond them, upon the plumb-line in India' by John Henry Pratt | 31 January 1855 |
| RR/1bis/27 | Referee's report by George Biddell Airy, on a paper 'Researches in physical geology.—second series' by William Hopkins | 25 May 1840 |
| RR/1/105 | Referee's report by George Biddell Airy, on a paper 'On the state of the interior of the earth' by William Hopkins | 19 April 1839 |
| RR/4/270 | Referee's report by William Hopkins, on a paper 'On the veined structure of glaciers; with observations upon white ice-seams, air-bubbles and dirt-bands, and remarks upon glacier theories' by John Tyndall | 12 April 1859 |
| PT/66/8/2 | Plate, diagram of whole resultant force on small plane by [William Hopkins] | [1862] |
| MS/426/451 | Note of a letter from [the Secretaries of] the Royal Society; to various individuals | 20 June 1851 |
| MC/5/67 | Letter from W [William] Hopkins, Cambridge, to [the Earl of Rosse, President of the Royal Society] | 4 December 1852 |
| RR/3/270 | Referee's report by William Hopkins, on a paper 'On the physical phenomena of glaciers - Part I. Observations on the mer de glace' by John Tyndall | 26 October 1858 |
| RR/5/271 | Referee's report by William Hopkins, on a paper 'On the rigidity of the earth' by William Thomson, 1st Baron Kelvin | 24 March 1863 |
| RR/3/219 | Referee's report by William Hopkins, on a paper 'On the effect of local attraction upon the plumb-line at stations on the English Arc of the Meridian, between Dunnose and Burleigh Moor; and a method computing its amount' by John Henry Pratt | 22 August 1855 |
| PT/61/6/7 | Plate, draft of assembled calorimeter by [William Hopkins] | [1860] |
| PT/26/2/1 | Manuscript, 'Researches in physical geology (third series)' by W [William] Hopkins | 16 November 1841 |
| RR/2/6 | Referee's report by William Hopkins, on a paper 'On the computation of the effect of the attraction of mountain-masses, as disturbing the apparent astronomical latitude of stations in geodetic surveys' by George Biddell Airy | 31 January 1855 |
| RR/1/106 | Referee's report by George Biddell Airy, on a paper 'On the state of the interior of the earth' by William Hopkins | 22 April 1839 |
| RR/3/132 | Referee's report by Leonard Horner, on a paper 'On the physical structure of the old red sandstone of the county of waterford, considered with relation to cleavage, joint surfaces, and faults' by Samuel Haughton | 8 April 1858 |
| RR/2/204 | Referee's report by William Hopkins, on a paper 'On the theory of waves' by Andrew John Robertson | 2 February 1853 |
| RR/1/108 | Referee's report by George Biddell Airy, on a paper 'On the state of the interior of the earth' by William Hopkins | 11 August 1839 |
| RR/3/131 | Referee's report by William Hopkins, on a paper 'On the physical structure of the old red sandstone of the county of waterford, considered with relation to cleavage, joint surfaces, and faults' by Reverend Samuel Haughton | 5 March 1858 |
| RR/2/199 | Referee's report by William Hopkins, on a paper 'On the geometrical representation of the expansive action of heat, and the theory of thermo-dynamic engines' by William John Macquorn Rankine | [1854] |
| PT/61/6/5 | Plate, draft of spiral bulb by [William Hopkins] | [1860] |
| PT/61/6 | Paper, 'On the construction of a new calorimeter for determining the radiating powers of the surfaces; and its application to the surfaces of various mineral substances' by W [William] Hopkins | [1860] |
| PT/66/8 | Paper, 'On the theory of the motion of glaciers' by W [William] Hopkins | [1862] |
| RR/4/203 | Referee's report by William Hopkins, on a paper 'On the attraction of the Himalaya Mountains, and of the elevated regions beyond them, upon the plumb-line in India' by John Henry Pratt | [1859] |
| PT/61/6/3 | Plate, spiral bulb by unknown artist | [1860] |
| PT/61/6/6 | Plate, draft of disassembled calorimeter by [William Hopkins] | [1860] |
| PT/61/6/2 | Plate, furnace bath by unknown artist | [1860] |
| PT/61/6/1 | Manuscript, 'On the construction of a new calorimeter for determining the radiating powers of the surfaces; and its application to the surfaces of various mineral substances' by W [William] Hopkins | [1860] |
| PT/61/6/4 | Plate, parts of Hopkins' calorimeter by unknown artist | [1860] |
| PT/61/6/9 | Plate, draft of spiral bulb by [William Hopkins] | [1860] |
| PT/61/6/8 | Plate, draft of furnace bath by [William Hopkins] | [1860] |
| PT/66/8/5 | Plate, direction of maximum tension in relation to glacier axis by [William Hopkins] | [1862] |
| PT/66/8/3 | Plate, sections of glacier through plane and by axis by [William Hopkins] | [1862] |
| RR/4/201 | Referee's report by William Hopkins, on a paper 'On the influence of the ocean on the plumb-line in India' by John Henry Pratt | 12 April 1859 |
| MC/3 | Volume 3 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1839-1843 |
| PT/66/8/4 | Plate, vertical section of glacier by [William Hopkins] | [1862] |
| PT/66/8/6 | Plate, capillary tube made by plane through axis by [William Hopkins] | [1862] |
| RR/5/117 | Referee's report by John Frederick William Herschel, on a paper 'On the theory of the motion of glaciers' by William Hopkins | 21 June 1862 |
| MC/3/242 | Letter from George Biddell Airy, Royal Observatory Greenwich, to George Fisher, Secretary of the Astronomical Committee of the Royal Society | 29 October 1842 |
| PT/26/2/2 | Plate, system of fissures uplifted from below by William Hopkins | 16 November 1841 |
| PT/26/2 | Paper, 'Researches in physical geology (third series)' by W [William] Hopkins | 16 November 1841 |
| MC/5/37 | Letter from W [William] Hopkins, Cambridge, to the Royal Society | 14 April 1852 |
| MC/5/125 | Letter from W [William] Hopkins, Cambridge, to the Royal Society | 23 November 1853 |
| RR/2/189 | Referee's report by William Hopkins, on a paper 'Theory of the reciprocal action between the solar rays and the different media by which they are reflected, refracted, or absorbed; in the course of which various optical laws and phenomena are elucidated and explained' by Joseph Power | [1853] |
| RR/5/118 | Referee's report by John Tyndall, on a paper 'On the theory of the motion of glaciers' by William Hopkins | 27 June 1862 |
| PT/59/8 | Paper, 'Experimental researches on the conductive powers of various substances, with the application of the results to the problem of terrestrial temperature' by W [William] Hopkins | [1857] |
| RR/2/162 | Referee's report by William Hopkins, on a paper 'On the descent of glaciers' by Reverad Henry Moseley | 30 May 1855 |
| RR/4/136 | Referee's report by William Thomson, Lord Kelvin on a paper 'On the construction of a new calorimeter for determining the radiating powers of surfaces in air; and its application to the surfaces of various mineral substances' by William Hopkins | [1860] |
| RR/4/137 | Letter from William Thomson, Lord Kelvin on a paper 'On the construction of a new calorimeter for determining the radiating powers of surfaces in air; and its application to the surfaces of various mineral substances' by William Hopkins | 17 December 1860 |
| RR/4/164 | Referee's report by William Hopkins, on a paper 'Report to the Royal Society of the expedition into the Kingdom of Naples to investigate the circumstances of the earthquake of the 16th December 1857' by Robert Mallet | 1860 |
| RR/5/113 | Referee's report by William Hopkins, on a paper 'On the simultaneous distribution of heat throughout superficial parts of the earth' by Henry Hennessy | 10 November 1862 |
| RR/5/206 | Referee's report by William Hopkins, on a paper 'Theoretical considerations on the conditions under which the (drift) deposits containing the remains of extinct mammalia and flint implements were accumulated, and on their geological age. - On the Loess of the valleys of the South of England, and of the Somme and the Seine' by Joseph Prestwich | 8 April 1862 |
| HS/9/480 | Letter, from William Hopkins to Sir John Herschel, dated at Cambridge | 6 February 1863 |
| HS/9/479 | Letter, [William] Hopkins to [George Gabriel Stokes], dated at Cambridge | 26 November 1862 |
| HS/9/481 | Letter, from William Hopkins to Sir John Herschel, dated at Cambridge | undated |
| MC/5 | Volume 5 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1851-1858 |
| HS/9/478 | Letter, from William Hopkins to Sir John Herschel, dated at Cambridge | 7 February 1857 |