Crwth - An account of the historical roots and development of the Welsh bowed lyre.

Crwth - Wikipedia article on the bowed lyre, associated particularly with Wales. Includes a history, information on tuning and playing techniques, and links.

Meurig, Cass - Fiddle and crwth player specialising in traditional Welsh folk music; member of Fernhill and Pigyn Clust bands. Includes profile, details of recordings, and booking information. (Cymraeg and English)

Some Observations Regarding Crwth Performance - Abstract of a paper describing the modern instrument and its history.

The Welsh Crwth, its History and Genealogy - A history of the instrument and its development.