Citations

i. "Census Returns of England and Wales, 1881." online database.; Page (accessed 9 Dec 2012), entry for John Blacknall household, Calverton, Nottinghamshire; [Source Record]; Certainty Primary Evidence
ii. "Census Returns of England and Wales, 1891." online database.; Page (accessed 9 Dec 2012), entry for John Blacknall household, Radford, St Paul, Nottingham; [Source Record]; Certainty Primary Evidence
iii. "Philadelphia Passenger Lists, 1800-1945," database online; Page accessed 18 Mar 2013), entry for John Blacknell; Roll: T840_62; Line: 17.; [Source Record]; Certainty Primary Evidence