| RefNo | Title | Date |
| NL/2/7 | Neville Lyttelton letters to Katherine Lyttelton | 1893-1894 |
| NL/17/6 | Hilda Grenfell letters to Katherine Lyttelton | 1908-1917 |
| NL/33/2 | John Morley letters to Katherine Lyttelton | 1895-1897 |
| NL/33/3 | John Morley letters to Katherine Lyttelton | 1898-1902 |
| NL/33/1 | John Morley letters to Katherine Lyttelton | 1893-1894 |
| NL/2/8 | Neville Lyttelton letters to Katherine Lyttelton | 1894-1896 |
| NL/23/1 | Family letters to Neville Lyttelton | 1852-1889 |
| NL/23/2 | Family letters to Neville Lyttelton | 1890-1930 |
| CLM/2 | Diaries | 1871-1913 |
| CLM/4 | Travel Diaries and Notebooks | 1868-1926 |