D3287/52/1 | Papers, correspondence and accounts regarding Horticultural college, Swanley, Kent | 20th cent | Gell family of Hopton Hall, Wirksworth | Derbyshire Record Office |
D3287/90/8 | Accounts and related papers for Horticultural College, Swanley, Kent | 1903-1904 | Gell family of Hopton Hall, Wirksworth | Derbyshire Record Office |