![](https://assets11.geni.com/images/external/twitter_bird_small.gif?1697640593)
![](https://assets12.geni.com/images/facebook_white_small_short.gif?1697640593)
See Peter Bartrum, https://cadair.aber.ac.uk/dspace/bitstream/handle/2160/4995/BLEDDYN... (August 31, 2019; Anne Brannen, curator)
See Peter Bartrum, https://cadair.aber.ac.uk/dspace/bitstream/handle/2160/4991/BENNET%... (February 27, 2017; Anne Brannen, curator)