- TW.
- Is-is-fonds
- [1986]-[1988].
Rhan oBrith Gof Archive,
Papers relating to the I Wlad Dda a Helaeth television production by Brith Gof including, a catalogue of slides of Patagonia, production texts and scripts, a first draft of a screenplay, oral history transcripts, a promotional postcard and preparatory papers.