| RefNo | Title | Date |
| NL/30 | Friends (miscellaneous) letters to Katherine Lyttelton | 1877-1940 |
| JI/3/7 | Notes - Modern Literature 5 | c1934-c1954 |
| NL/30/6 | Friends (miscellaneous) letters to Katherine Lyttelton | 1904-1905 |
| NL/30/8 | Friends (miscellaneous) letters to Katherine Lyttelton | 1908-1911 |
| NL/30/15 | Friends (miscellaneous) letters to Katherine Lyttelton | c.1883-1937 |
| NL/30/13 | Friends (miscellaneous) letters to Katherine Lyttelton | 1926-1940 |
| NL/GRE/21/2 | Letters about Riversdale Grenfell | 1914-1915 |
| NL/GRE/11/3 | Arthur Grenfell First World War certificates for gallantry | 1919 |
| NL/GRE/36/8 | Postcard to Mrs Grenfell from The Sunday Dispatch newspaper | 1940 |
| LIBRIS/15/2 | Sebastian Haffner, GERMANY: JEKYLL & HYDE: Correspondence and papers concerning reviews and reception | 2005 |