Isabel de Forz, 8th Countess of Devon (English Wikipedia)

Arms of Guillaume de Forz, Comte d'Aumale: Gules a cross patonce vair (per the following rolls of arms: Charles' Roll, 15; Glover's Roll, B13; Walford's Roll, C60; The Camden Roll, D142 & St George's Roll, E28) [1] Archived 20 August 2013 at the Wayback Machine

doi.org

"Forz, Isabella de, suo jure countess of Devon, and countess of Aumale (1237–1293)". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/47209. (Subscription or UK public library membership required.)
See, for example: Mate, Mavis (August 1980). "Profit and Productivity on the Estates of Isabella de Forz (1260–92)". The Economic History Review. 33 (3). Wiley: 326–334. doi:10.1111/j.1468-0289.1980.tb01162.x. JSTOR 2595191.
"Stratton, Adam of (d. 1292x4), administrator and moneylender". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/26652. (Subscription or UK public library membership required.)
Baldwin-Wiseman, William Ralph (June 1909). "The Increase in the National Consumption of Water". Journal of the Royal Statistical Society. 72 (2). Wiley: 249. doi:10.2307/2340220. JSTOR 2340220.

See, for example: Mate, Mavis (August 1980). "Profit and Productivity on the Estates of Isabella de Forz (1260–92)". The Economic History Review. 33 (3). Wiley: 326–334. doi:10.1111/j.1468-0289.1980.tb01162.x. JSTOR 2595191.
Baldwin-Wiseman, William Ralph (June 1909). "The Increase in the National Consumption of Water". Journal of the Royal Statistical Society. 72 (2). Wiley: 249. doi:10.2307/2340220. JSTOR 2340220.

Sandles, Tim. "Wistman's Wood". Legendary Dartmoor. Retrieved 27 December 2016. Citing Mrs. Bray (1838) Traditions, Legends, Superstitions and Sketches of Devonshire, p. 102.

"Forz, Isabella de, suo jure countess of Devon, and countess of Aumale (1237–1293)". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/47209. (Subscription or UK public library membership required.)
"Stratton, Adam of (d. 1292x4), administrator and moneylender". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/26652. (Subscription or UK public library membership required.)

"Perambulation". Tiverton Town Council website. Archived from the original on 7 May 2016. Retrieved 13 April 2016.

Arms of Guillaume de Forz, Comte d'Aumale: Gules a cross patonce vair (per the following rolls of arms: Charles' Roll, 15; Glover's Roll, B13; Walford's Roll, C60; The Camden Roll, D142 & St George's Roll, E28) [1] Archived 20 August 2013 at the Wayback Machine
"Perambulation". Tiverton Town Council website. Archived from the original on 7 May 2016. Retrieved 13 April 2016.

Baldwin-Wiseman, William Ralph (June 1909). "The Increase in the National Consumption of Water". Journal of the Royal Statistical Society. 72 (2). Wiley: 249. doi:10.2307/2340220. JSTOR 2340220.