Rhys, J., & Jones, D. B. (1906). The Welsh people: Chapters on their origins, history, laws, language, literature, and characteristics (4th ed.). London: T.F. Unwin.

Rhys, John, and David Brynmor Jones. The Welsh People: Chapters On Their Origins, History, Laws, Language, Literature, and Characteristics. 4th ed. London: T.F. Unwin, 1906.

Rhys, John, and David Brynmor Jones. The Welsh People: Chapters On Their Origins, History, Laws, Language, Literature, and Characteristics. 4th ed. London: T.F. Unwin, 1906.