I am grateful to Rab Wilson for sharing with me an episode on Scots Radio aboot The Douglas Tragedy and Blackhouse, parish of Yarrow, Scottish Borders. You can listen to this episode here [the piece on the Douglas Tragedy begins at 57 minutes and 40 secs into the broadcast].
Here is some archive material that I have found in relation to ‘Bught Rig’, Blackhouse:
RCHAMS Index card [now part of the Trove archive]:
RCHAMS Index card [now part of the Trove archive]: 
A Day in Yarrow: Teviotdale Record, 5 November 1864:
The Rev Russell of Yarrow, Southern Reporter, 9 March 1876, on James Hogg, the ‘Ettrick shepherd’:
