i. "Personal Family Tree,"; Page accessed 15 Jan 2020), Research by userid jcw282; https://www.ancestry.co.uk/family-tree/person/tree/10224289/person/1563853752/facts.; [Source Record]; Certainty Questionable
ii. "Transcipt of the Hucknall Torkard marriage register," transciption database, Society of Genealogists; Page accessed 14 Jan 2020), Entry for George Blacknall & Mary Roebuck.; [Source Record]; Certainty Primary Evidence
iii. "Census Returns of England and Wales, 1911." online database.; Page (accessed 15 Jan 2020), entry for George Blacknell household, Hucknall, Nottinghamshire; [Source Record]; Certainty Primary Evidence
iv. "Census Returns of England and Wales, 1901." online database.; Page (accessed 15 Jan 2020), entry for George Blacknell household, Arnold, Nottinghamshire; [Source Record]; Certainty Primary Evidence