Bosworth, Joseph; Toller, T. Northcote (1882). "Tófe-ceaster". An Anglo-Saxon Dictionary. Oxford: OUP. p.997. Archived from the original on 29 May 2021. Retrieved 26 April 2021.
Edmunds, Flavell (1869). "Towcester". Traces of History in the Names of Places. London: Longmans, Green, and Co. p.272. Archived from the original on 29 May 2021. Retrieved 26 April 2021.
Bosworth, Joseph; Toller, T. Northcote (1882). "Tófe-ceaster". An Anglo-Saxon Dictionary. Oxford: OUP. p.997. Archived from the original on 29 May 2021. Retrieved 26 April 2021.
Edmunds, Flavell (1869). "Towcester". Traces of History in the Names of Places. London: Longmans, Green, and Co. p.272. Archived from the original on 29 May 2021. Retrieved 26 April 2021.