| RefNo | Title | Date |
| NL/33/10 | John Morley letters to Katherine Lyttelton | c.1892-1922 |
| NL/29 | Friends letters to Neville Lyttelton | 1883-1911 |
| NL/34/2 | John Morley to Lucy Masterman | 1906 |
| NL/33/9 | John Morley letters to Katherine Lyttelton | 1918-1922 |
| NL/33/2 | John Morley letters to Katherine Lyttelton | 1895-1897 |
| NL/29/1 | John Morley letters to Neville Lyttelton | 1883, 1894 |
| NL/33/3 | John Morley letters to Katherine Lyttelton | 1898-1902 |
| NL/33/1 | John Morley letters to Katherine Lyttelton | 1893-1894 |
| NL/33/5 | John Morley letters to Katherine Lyttelton | 1906-1908 |
| NL/33/7 | John Morley letters to Katherine Lyttelton | 1913-1914 |
| NL/33/6 | John Morley letters to Katherine Lyttelton | 1909-1912 |
| NL/33/8 | John Morley letters to Katherine Lyttelton | 1915-1917 |
| NL/33/4 | John Morley letters to Katherine Lyttelton | 1903-1905 |
| NL/34 | Friends letters to Lucy Masterman | c.1890-1910 |
| NL/37/19 | Caroline Grosvenor, letters to and from various family members and friends | 1884-1928 |
| NL/33 | John Morley letters to Katherine Lyttelton | c.1892-1922 |
| NL | LYTTELTON FAMILY | c.1782-1940 |
| NL/GRE/33/10 | Photographs and images of Lyttelton family and relations | c.1886-1923 |
| NL/GRE/33/16 | Photographs of Lyttelton family friends | c.1899-1919 |