i. Calverton, Census, 1861; Page PRO RG9/2444 f27 p 13; [Source Record]; Certainty Primary Evidence
ii. Calverton, Census, 1871; Page RG10 3494 p4; [Source Record]; Certainty Primary Evidence
iii. Calverton, Census, 1841; Page HO107 865 p24-25; [Source Record]; Certainty Primary Evidence
iv. E-mail correspondence with Paul Blacknell. Privately held by Blacknell, Jeff Winter [(E-ADDRESS) FOR PRIVATE USE,] to Paul Blacknell, e-mail<; privately held by Blacknell.; Page 16/6/2011>, "Re: Calverton Blacknall,"; [Source Record]; Certainty Secondary Evidence
v. Register of Births Marriages & Deaths; Page Death/Basford/Hucknall Torkard/1904/355; Text 355 Seventh March 1904 Orchard Street Hucknall Ann Blacknell Female 71 years Widow of Samuel Blacknell a farm labourer Bronchitis and Emphysema 6 months Dente (sp) Bronchitis 14 days xxx Fanny Blacknell Daughter present at the death Orchard Street Hucknall Albert Ward Registrar; [Source Record]; Certainty Unknown ('4')
vi. Register of Births Marriages & Deaths; Page Death/Basford/Arnold/1860/88; [Source Record]; Certainty Unknown ('4')
vii. Research by Ronald Blacknell [208]; [Source Record]
viii. Register of Births Marriages & Deaths; Page Death/Basford/Arnold/1840/9; [Source Record]; Certainty Unknown ('4')