| RefNo | Title | Date |
| NL/13/6 | Lucy Masterman letters to Neville Lyttelton | 1913 |
| NL/14/6 | Lucy Masterman letters to Katherine Lyttelton | 1910-1911 |
| NL/14/8 | Lucy Masterman letters to Katherine Lyttelton | 1913 |
| NL/3/2 | Neville Lyttelton letters to Lucy Masterman | 1899-1900 |
| NL/14/2 | Lucy Masterman letters to Katherine Lyttelton | 1903 |
| NL/15/3 | Lucy Masterman letters to family | 1904-1923 |
| NL/14/4 | Lucy Masterman letters to Katherine Lyttelton | 1908 |
| NL/27/1 | Family letters to Hermione Hichens | 1898-1921 |
| NL/38/21 | Newspaper cuttings about Lucy Materman | 1913 |
| NL/34/2 | John Morley to Lucy Masterman | 1906 |
| NL/37/5 | Katherine Lyttelton, letters from various family members and friends about Lucy Masterman's family | c.1890-1928 |
| NL/13 | Lucy Masterman letters to Neville Lyttelton | 1887-1928 |
| NL/34/1 | Friends letters to Lucy Masterman | c.1890-1910 |
| NL/13/1 | Lucy Masterman letters to Neville Lyttelton | 1887-1891 |
| NL/15/1 | Lucy Masterman letters to family | 1888-1898 |
| NL/14/5 | Lucy Masterman letters to Katherine Lyttelton | 1909-1910 |
| NL/25 | Family letters to Lucy Masterman | 1899-1907 |
| NL/13/3 | Lucy Masterman letters to Neville Lyttelton | 1893-1898 |
| NL/13/2 | Lucy Masterman letters to Neville Lyttelton | 1891-1892 |
| NL/3/1 | Neville Lyttelton letters to Lucy Masterman | 1888-1892 |
| NL/13/5 | Lucy Masterman letters to Neville Lyttelton | 1904-1928 |
| NL/37/23 | Charles Masterman, letters to and from various family members and friends | c.1907-1909 |
| NL/14/13 | Lucy Masterman letters to Katherine Lyttelton | c.1888-1920 |
| NL/13/4 | Lucy Masterman letters to Neville Lyttelton | 1898-1902 |
| NL/38/41 | Easter Carol | 1895 |
| NL/15/2 | Lucy Masterman letters to family | 1900-1904 |
| NL/14/10 | Lucy Masterman letters to Katherine Lyttelton | 1917-1921 |
| NL/14/7 | Lucy Masterman letters to Katherine Lyttelton | 1911-1912 |
| NL/14/9 | Lucy Masterman letters to Katherine Lyttelton | 1914-1916 |
| NL/14/12 | Lucy Masterman letters to Katherine Lyttelton | 1924-1929 |
| NL/3 | Neville Lyttelton letters to Lucy Masterman | 1888-1900 |
| NL/38/19 | Letters and articles about Lucy Lyttelton, Hilda Lyttelton and Hermione Lyttelton | c.1892-1930 |
| NL/14/11 | Lucy Masterman letters to Katherine Lyttelton | 1922-1923 |
| NL/9/1 | Katherine Lyttelton letters to Lucy Masterman | 1888-1901 |
| NL/9/2 | Katherine Lyttelton letters to Lucy Masterman | 1902-1924 |
| NL/14/1 | Lucy Masterman letters to Katherine Lyttelton | 1888-1902 |
| NL/22 | Hermione Hichens letters to family | 1902-1921 |
| NL/13/7 | Lucy Masterman letters to Neville Lyttelton | c.1880-1910 |
| NL/25/1 | Family letters to Lucy Masterman | 1899-1907 |
| NL/14/3 | Lucy Masterman letters to Katherine Lyttelton | 1904-1907 |
| NL/27 | Family letters to Hermione Hichens | 1898-1921 |
| NL/10/6 | Katherine Lyttelton letters to Hilda Grenfell | 1908-1941 |
| NL/34 | Friends letters to Lucy Masterman | c.1890-1910 |
| NL/22/1 | Hermione Hichens letters to family | 1902-1921 |
| NL/14 | Lucy Masterman and Charles Masterman letters to Katherine Lyttelton | 1888-1929 |
| NL/9 | Katherine Lyttelton letters to Lucy Masterman | 1888-1924 |
| NL/15 | Lucy Masterman letters to family | 1888-1923 |
| NL/38/34 | Poems written by Lucy Masterman | c.1901-1920 |
| NL | LYTTELTON FAMILY | c.1782-1940 |
| NL/GRE/33/6 | Photographs of Lyttelton family | c.1880-1910 |
| NL/GRE/33/8 | Photographs of Lyttelton family and relations | c.1884-1920 |
| NL/GRE/33/12 | Photograph album of Lyttelton family and relations | c.1890-1910 |