"1871 England Census Record for Charles Robinson". Census Returns of England and Wales, 1871. Kew, Surrey, England: The National Archives of the UK (TNA): Public Record Office (PRO). 1871. pp. Class: RG10, Piece: 301, Folio: 82, Page: 8. Retrieved 30 May 2010.
Vadeboncoeur, Jim (1998). "Charles Robinson". Bud Plant Illustrated Books. Archived from the original on 18 November 1999.{{cite web}}: CS1 maint: unfit URL (link)