- NLW MS 6361D
- 20 cent.
Rhestr o Ffugenwau Cymry ac Eraill, being a dictionary, compiled by Henry Blackwell (1851-1928), New York of Welsh bardic and other pseudonymous names, including those used by Welsh writers in the United States of America, etc.
Blackwell, Henry, 1851-1928 Dictionary of Welsh bardic names, etc. (20 cent.), NLW MS 6361D