| RefNo | Title | Date |
| CLM/1 | Green Books | 1866-1935 |
| NL/1/7 | Neville Lyttelton letters to family | c.1854-1924 |
| NL/10/5 | Katherine Lyttelton letters to Hilda Grenfell | 1901-1912 |
| NL/17/5 | Hilda Grenfell letters to Katherine Lyttelton | 1907 |
| NL/1 | Neville Lyttelton letters to family | 1854-1924 |
| NL/37/20 | Miscellaneous letters | c.1885-1930 |
| NL/GRE/1/12 | Hilda Grenfell letters to family | 1940-1943 |
| NL/GRE/1/5 | Hilda Grenfell letters to family | 1908-1940s |
| NL/GRE/1/2 | Hilda Grenfell letters to family from Canada part I of III | 1907 |
| NL/GRE/33/9 | Photographs and images of Neville Lyttelton | c.1886-1915 |
| NL/GRE/8/7 | Arthur Grenfell letters to Hilda Grenfell | 1910-1912 |
| NL/GRE/13/3 | Harry Grenfell letters to Arthur Grenfell and Hilda Grenfell | 1929 |
| NL/GRE/33/12 | Photograph album of Lyttelton family and relations | c.1890-1910 |
| NL/GRE/1/3 | Hilda Grenfell letters to family from Canada part II of III | 1907 |
| NL/GRE/1/4 | Hilda Grenfell letters to family from Canada part III of III | 1907 |
| NL/GRE/34/1 | Photographs and images of the Grey family | c.1900-1910 |
| CLM/6 | Autobiography | 1915-1933 |
| CLM/4 | Travel Diaries and Notebooks | 1868-1926 |
| RF/2/3/2 | Trade | 1920-1950 |