Bibliography
Michael
Siddons
Contributions to journals
Siddons, Michael, “List of heraldic badges in the Welsh language”, National Library of Wales Journal 27:1 (Summer 1991, 1991–1992): 21–38.
Aberystwyth, National Library of Wales: View in Mirador
In reference works
Welsh biography online, Online: National Library of Wales, 2009–present. URL: <https://biography.wales>.
Contributions: BARTRUM, PETER CLEMENT (1907 - 2008), scholar of Welsh genealogy