| RefNo | Title | Date |
| EC/1888/09 | Andrews, Thomas: certificate of election to the Royal Society | |
| NLB/16/739 | Copy letter from Robert William Frederick Harrison, to T [Thomas] Andrews, Fellow of the Royal Society | 1 June 1898 |
| NLB/24/199 | Copy letter from Robert William Frederick Harrison, to unknown correspondent | 21 March 1902 |
| NLB/4/929 | Copy letter from Herbert Rix, to Thomas Andrews, Fellow of the Royal Society | 2 December 1890 |
| NLB/4/947 | Copy letter from Herbert Rix, to Thomas Andrews | 5 December 1890 |
| NLB/3/351 | Copy letter from Herbert Rix, to Thomas Andrews, Fellow of the Royal Society | 17 May 1889 |
| NLB/7/841 | Copy letter from Herbert Rix, to Thomas Andrews, Wortley, Sheffield | 8 May 1893 |
| NLB/3/1086 | Copy letter from Herbert Rix, to Thomas Andrews, Fellow of the Royal Society | 7 January 1890 |
| NLB/5/357 | Copy letter from Herbert Rix, to Thomas Andrews, Fellow of the Royal Society | 25 May 1891 |
| NLB/5/383 | Copy letter from Herbert Rix, to [John William Strutt] Lord Rayleigh, [Royal Society] | 1 June 1891 |
| NLB/5/724 | Copy letter from Herbert Rix, to Professor Thomas Andrews, Fellow of the Royal Society | 26 September 1891 |
| NLB/10/663 | Copy letter from Herbert Rix, to Thomas Andrews, Fellow of the Royal Society | 15 January 1895 |
| NLB/10/578 | Copy letter from Herbert Rix, to Thomas Andrews, Fellow of the Royal Society, Ravencrag, Wortley, Sheffield | 21 December 1894 |
| NLB/11/380 | Copy letter from Herbert Rix, to Messrs Harrison & Sons | 19 June 1895 |
| NLB/11/153 | Copy letter from Herbert Rix, to Thomas Andrews, Fellow of the Royal Society | 3 May 1895 |
| NLB/11/235 | Copy letter from Herbert Rix, to Thomas Andrews, Fellow of the Royal Society | 17 May 1895 |
| NLB/12/211 | Copy letter from Herbert Rix, to Dr Thomas Andrews, Fellow of the Royal Society | 6 January 1896 |
| NLB/22/468 | Copy letter from Robert William Frederick Harrison, to [Thomas] Andrews, Fellow of the Royal Society | 21 May 1901 |
| NLB/14/203 | Copy letter from Arthur William Rucker, to Thomas Andrews, Fellow of the Royal Society | 21 January 1897 |
| RR/15/145 | Referee's report by James Alfred Ewing, on a paper 'Micro-crystalline structure of platinum' by Thomas Andrews | 20 November 1901 |
| NLB/14/894 | Copy letter from Arthur William Rucker, to Thomas Andrews, Fellow of the Royal Society | 1 June 1897 |
| RR/13/165 | Letter from Thomas Andrews, on his paper 'On micro-physical structure of pure gold and micro-segregation in gold alloys' to William Arthur Rucker, Secretary of the Royal Society | 10 February 1898 |
| NLB/23/2/161 | Copy letter from Joseph Larmor, to Thomas Andrews, Fellow of the Royal Society | 1 February 1902 |
| NLB/26/84 | Copy letter from Robert William Frederick Harrison to, Thomas Andrews, Fellow of the Royal Society, Wortley, near Sheffield | 26 January 1903 |
| NLB/16/171 | Copy letter from Arthur William Rucker, to T Andrews, Fellow of the Royal Society | 11 February 1898 |
| NLB/16/223 | Copy letter from Arthur William Rucker, to Thomas Andrews, Fellow of the Royal Society | 25 February 1898 |
| NLB/18/678 | Copy letter from Robert William Frederick Harrison, to T Andrews, Fellow of the Royal Society | 20 April 1899 |
| NLB/16/496 | Copy letter from Robert William Frederick Harrison, to Thomas Andrews, Fellow of the Royal Society | 22 April 1898 |
| NLB/20/238 | Copy letter from Robert William Frederick Harrison, to Thomas Andrews, Fellow of the Royal Society, Wortley, near Sheffield | 5 March 1900 |
| NLB/24/319 | Copy letter from Robert William Frederick Harrison, to Thomas Andrews, Ravencrag, Wortley, near Sheffield | 25 April 1902 |
| NLB/23/1/778 | Copy letter from Robert William Frederick Harrison, to Thomas Andrews, Fellow of the Royal Society | 20 January 1902 |
| NLB/23/1/831 | Copy letter from Robert William Frederick Harrison, to Thomas Andrews, Fellow of the Royal Society | 25 January 1902 |
| NLB/24/322 | Copy letter from Joseph Larmor, to Thomas Andrews, [Fellow of the Royal Society] | 24 April 1902 |
| NLB/25/570 | Copy letter from Robert William Frederick Harrison, to Thomas Andrews, Fellow of the Royal Society | 21 November 1902 |
| NLB/28/281 | Copy letter from Robert William Frederick Harrison, to Thomas Andrews, Fellow of the Royal Society | 10 February 1904 |
| NLB/35/620 | Copy letter from Robert William Frederick Harrison, to Messrs Harrison & Sons | 21 June 1907 |
| AP/73/9/1 | Unpublished manuscript, 'Micro-physical structure of pure gold and micro-segregation in gold alloys' by Thomas Andrews | 1897 |
| AP/73/9/2 | Unpublished diagrams, micro-physical structure of pure gold and gold alloys by Thomas Andrews | 1897 |
| PP/20/10/1 | Manuscript, 'Electro-chemical effects on magnetising iron. Part IV' by Thomas Andrews | 1892 |
| RR/15/146 | Referee's report by William Chandler Roberts-Austen, on a paper 'Micro-crystalline structure of platinum' by Thomas Andrews | 21 December 1901 |
| NLB/19/870 | Copy letter from Robert William Frederick Harrison, to Thomas Andrews, Fellow of the Royal Society | 10 January 1900 |
| NLB/21/671 | Copy letter from Robert William Frederick Harrison, to Thomas Andrews, Fellow of the Royal Society | 5 January 1901 |
| NLB/35/717 | Copy letter from Archibald Geikie, to John Edward Stead, Fellow of the Royal Society | 9 July 1907 |
| PP/14/15/2 | Diagrams, experimental equipment by Thomas Andrews | 1889 |
| AP/63/8/2 | Unpublished diagrams, experimental apparatus by Thomas Andrews | 1885 |
| AP/63/8 | Unpublished paper, 'Observations on variations in the electromotive force between metals at high temperatures in fused salts' by Thomas Andrews | 1885 |
| AP/73/9 | Unpublished paper, 'Micro-physical structure of pure gold and micro-segregation in gold alloys' by Thomas Andrews | 1897 |
| RR/13/166 | Referee's report by William Chandler Roberts-Austen, on his paper 'On micro-physical structure of pure gold and micro-segregation in gold alloys' by Thomas Andrews | 10 May 1897 |
| PP/14/15 | Paper, 'Electro-chemical effects on magnetising iron. Part III' by Thomas Andrews | 1889 |
| PP/6/35 | Paper, 'The action of tidal streams on metals during diffusion of salt and fresh water. Experimental research, part II, (gravimetric)' by Thomas Andrews | 1885 |
| PP/11/15 | Paper, 'Heat dilatation of metals from low temperatures' by Thomas Andrews | 1887 |
| PP/8/35 | Paper, 'Observations on pure ice and snow' by Thomas Andrews | 1886 |
| PP/10/56/2 | Diagrams, experimental equipment by Thomas Andrews | 1 June 1887 |
| PP/10/56/1 | Manuscript, 'Electrochemical effects on magnetising iron' by Thomas Andrews | 1 June 1887 |
| PP/10/56 | Paper, 'Electrochemical effects on magnetising iron' by Thomas Andrews | 1 June 1887 |
| PP/12/8 | Paper, 'The electro-chemical effect on magnetising iron. Part II' by Thomas Andrews | 1888 |
| PP/14/15/1 | Manuscript, 'Electro-chemical effects on magnetising iron. Part III' by Thomas Andrews | 1889 |
| PP/17/36/1 | Manuscript, 'The passive state of iron and steel. Part III' by Thomas Andrews | 1891 |
| PP/16/11 | Paper, 'The passive state of iron and steel. Part I' by Thomas Andrews | 1890 |
| PP/17/36 | Paper, 'The passive state of iron and steel. Part III' by Thomas Andrews | 1891 |
| PP/17/7 | Paper, 'The passive state of iron and steel. Part II' by Thomas Andrews | 1890 |
| PP/17/7/1 | Manuscript, 'The passive state of iron and steel. Part II' by Thomas Andrews | 1890 |
| PP/17/7/2 | Diagrams, experimental equipment and results by Thomas Andrews | 1890 |
| PP/16/10 | Paper, 'Observations on pure ice.—Part II' by Thomas Andrews | 1890 |
| PP/16/10/1 | Manuscript, 'Observations on pure ice.—Part II' by Thomas Andrews | 1890 |
| PP/16/10/2 | Diagrams, experimental equipment and results by Thomas Andrews | 1890 |
| PP/20/10/2 | Diagram, experimental equipment by Thomas Andrews | 1892 |
| RR/11/4 | Referee's report by John Perry, on a paper 'The passive state of iron and steel. Part III' by Thomas Andrews | 10 May 1891 |
| PP/17/36/2 | Diagram, experimental apparatus by Thomas Andrews | 1891 |
| PP/20/10 | Paper, 'Electro-chemical effects on magnetising iron. Part IV' by Thomas Andrews | 1892 |
| AP/63/8/1 | Unpublished manuscript, 'Observations on variations in the electromotive force between metals at high temperatures in fused salts' by Thomas Andrews | 1885 |