1. Access Fund. (2004). Bouldering: Understanding and Managing Climbing on Small Rock Formations. The Access Fund, 10pp.
2. Access Fund. (2013). Organising a successful adopt a crag. Local Climbing Organisation 101. Vertical Times, 97, p. 5.
3. Achey, J. (2013, April 8). Summary of fixed anchor controversy in the Wilderness in the USA. Climbing.
4. Adams, M. D., & Zaniewski, K. (2012). Effects of recreational rock climbing and environmental variation on a sandstone cliff face lichen community. Botany, 90, 253–259.
5. Attarian, A., & Keith, J. (2008). Climbing Management: A Guide to Climbing Issues and the Production of a Climbing Management Plan. Boulder, CO: The Access Fund.