1. Barkham, P. (2020) 'Walkers urged to help save historic footpaths before 2026 deadline', The Guardian, 11 February. Available at https://www.theguardian.com/lifeandstyle/2020/feb/11/walkers-urged-to-help-save-historic-footpaths-before-2026-deadline
2. The Vegetation of Footpaths, Sidewalks, Cart-Tracks and Gateways
3. Use and Deterioration of Some Scottish Hill Paths
4. BBC News (2014) National Park path upgrade work in line for £3m grant. BBC Scotland, 31 July. Available at https://www.bbc.co.uk/news/uk-scotland-tayside-central-28566023
5. Boardman, J. and Smith, R.F. (1990) Footpath Erosion on the Seven Sisters, 1988–90. Report for the National Trust and East Sussex County Council, Countryside Management Service.