| Reference number | Title | Date |
| NLB/63/149 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Dr. [George Thurland] Prior, FRS | 07 July 1922 |
| NLB/70/177 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Dr. [George Thurland] Prior, FRS | 22 January 1927 |
| NLB/59/56 | Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to Dr. [George Thurland] Prior, FRS | 12 July 1920 |
| NLB/60/471 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Dr. [George Thurland] Prior, FRS | 11 February 1921 |
| NLB/61/435 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Dr. [George Thurland] Prior, FRS | 8 July 1921 |
| NLB/62/303 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Dr. [George Thurland] Prior, General Secretary of the Mineralogical Society and FRS | 20 January 1922 |
| NLB/64/895 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Dr. [George Thurland] Prior | 7 July 1923 |
| NLB/65/851 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Dr [George Thurland] Prior, FRS | 18 January 1924 |
| NLB/67/565 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Dr [George Thurland] Prior, FRS | 23 January 1925 |
| NLB/66/764 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Dr. [George Thurland] Prior, FRS | 4 July 1924 |
| NLB/69/553 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Dr. [George Thurland] Prior, FRS | 7 June 1926 |
| NLB/70/132 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Dr [George Thurland] Prior, FRS | 8 January 1927 |
| NLB/69/656 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Dr. [George Thurland] Prior, Hon. General Secretary, Mineralogical Society | 9 July 1926 |
| NLB/71/60 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Dr [John] Horne, FRS | 16 December 1927 |
| NLB/70/665 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Dr [George Thurland] Prior, FRS | 24 June 1927 |
| IM/003681 | Prior, George Thurland | 1932 |
| EC/1912/15 | Prior, George Thurland: certificate of election to the Royal Society | |