correspondence regarding rents and royalties owed Lord Bandon by the Dereenalomane Barytes Mines Company (later Dunmanus Bay Barytes Company), 1913-20,
Page 23
In Cork Archives:

Scart and Barytes Mines Derreenlomane, (Doirín na Lomán: Little Oakwood), Ballydehob, West Cork, Barytes Mines.
https://docs.google.com/document/d/1-qw3py3ewmBM6LEUpxJUOYQm4y_Gs5ZG-p_1Wk9EGRU/edit?tab=t.0