| RefNo | Title | Date |
| NL/1/1 | Neville Lyttelton letters to family | 1854-1864 |
| NL/1/7 | Neville Lyttelton letters to family | c.1854-1924 |
| NL/23/3 | Family letters to Neville Lyttelton | c.1852-1930 |
| NL/23 | Family letters to Neville Lyttelton | 1852-1930 |
| NL/37/26 | Geddington and Eton schools, letters, accounts and reports about Lyttelton children | 1854-1864 |
| NL/23/1 | Family letters to Neville Lyttelton | 1852-1889 |
| NL/37/14 | Lady Wenlock, letters from various Lyttelton family members | c.1851-1856 |
| NL/37/13 | Lyttelton and Gladstone families, letters to and from various family members | c.1845-1898 |