Glasgow Spelaeological Society journals & newsletters. [and], Ayrshire Spelaeological Society Newsletters.
Jeffreys, Alan L.(Alan Lawrence),1940-
Grampian Speleological Group.
Glasgow Spelaeological Society.
Ayrshire Spelaeological Society.
[Edinburgh : Grampian Speleological Group],
1997.
Journal of the Glasgow Spelaeological Society
Newsletter (Glasgow Spelaeological Society)
Newsletter (Ayrshire Spelaeological Society)