![](https://www.geni.com/images/external/twitter_bird_small.gif?1663259855)
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See Peter Bartrum, http://cadair.aber.ac.uk/dspace/bitstream/handle/2160/5610/BLEDDYN%... (December 7, 2017; Anne Brannen, curator)
See Peter Bartrum, http://cadair.aber.ac.uk/dspace/bitstream/handle/2160/6340/HAVARD%2... (November 21, 2017; Anne Brannen, curator)