Morgan Hen ab Owain
Morgan Hen ab Owain was the king of Morgannwg who ruled from 942 - 974.
- "MORGAN HEN ab OWAIN". Dictionary of Welsh Biography. Retrieved 11 August 2015.
- Lloyd, John Edward (1894). "Morgan Hen". In Lee, Sidney. Dictionary of National Biography. 39. London: Smith, Elder & Co.
- Thornton, David E. "Morgan Hen (d. 974)". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/19210. (Subscription or UK public library membership required.)