Barr & Sugden
Nursery established by Peter Barr (1826–1909) and Edward Sugden in 1861, with premises at 12 King Street, Covent Garden, London.
BMD (Death index)
Census returns of England and Wales 1861 (The National Archives: Public Record Office RG9/126/132/16), 1871 (RG10/720/55/9) 1881 (RG11/668/3/1), 1891 (RG12/216/14/24
‘Daffodil king of Tooting’ (https://thegardenstrust.blog/2020/03/14/the-daffodil-king-of-tooting/, accessed 26 September 2022)
R. Desmond 1994
Post Office London directory 1863.