All climbers

References

[1] https://pubmed.ncbi.nlm.nih.gov/15454003/

[2] https://www.himalayanclub.org/hj/31/2/a-r-hinks-and-the-first-everest-expedition-1921/

[3] https://www.ukclimbing.com/articles/series/history/alexander_kellas_-_the_greatest_himalayan_mountaineer_you_may_never_have_heard_of-14612

References

[1] https://www.ukclimbing.com/logbook/ticklists/the_alf_bridge_challenge-5171

[2] Mountain 19 (1972), page 15

References

[1] https://www.ukclimbing.com/articles/features/herstory_4_-_alison_hargreaves_climbing_her_mountain-15063

[2] Overlooked No More: Alison Hargreaves, Who Conquered Everest Solo and Without Bottled Oxygen, Obituary in the New York Times, March 2018 https://www.nytimes.com/2018/03/14/obituaries/overlooked-alison-hargreaves.html

[3] https://www.theguardian.com/world/2020/may/15/alison-hargreaves-climbs-everest-solo-1995

References

[1] https://services.thebmc.co.uk/mbe-for-allen-fyffe

References

[1] https://www.youtube.com/playlist?list=PLTodUXkQjZwxBf4_rDdQJhLOhe-M-L-7b