Hudson, Ray (February 2019). "Industrial Teesside, lives and legacies: a post-industrial geography". Planning Perspectives. 34 (1): 183–185. doi:10.1080/02665433.2019.1555656. S2CID151081453.
Fitzpatrick, A. P.; Scott, Peter R. (1999). "The Roman Bridge at Piercebridge, North Yorkshire-County Durham". Britannia. 30: 111–132. doi:10.2307/526675. JSTOR526675. S2CID162361828.
Fitzpatrick, A. P.; Scott, Peter R. (1999). "The Roman Bridge at Piercebridge, North Yorkshire-County Durham". Britannia. 30: 111–132. doi:10.2307/526675. JSTOR526675. S2CID162361828.
Hudson, Ray (February 2019). "Industrial Teesside, lives and legacies: a post-industrial geography". Planning Perspectives. 34 (1): 183–185. doi:10.1080/02665433.2019.1555656. S2CID151081453.
Fitzpatrick, A. P.; Scott, Peter R. (1999). "The Roman Bridge at Piercebridge, North Yorkshire-County Durham". Britannia. 30: 111–132. doi:10.2307/526675. JSTOR526675. S2CID162361828.