A selection of historic information found on the internet.
LDWA report on the 1972 Longmynd Hike (event 6)
https://www.southwalesldwa.org/wp/wp-content/swldwa/newsletters/197212_issue4.pdf
LDWA report on the 1973 Longmynd Hike (event 7)
https://www.southwalesldwa.org/wp/wp-content/swldwa/newsletters/197312_issue7.pdf
Snippet in LDWA magazine from 1977 (event 8)
https://www.southwalesldwa.org/wp/wp-content/swldwa/newsletters/197711_issue19.pdf
