The series comprises papers, [1930x1975], relating to the musical tradition of the Rhondda, especially its choral tradition.

Notebook of Henry Harris, Ystrad Rhondda, begun in 1921, containing lists of place-names and field names in the Rhondda. Some of the names are taken from a tithe map of 1847 (ff. i, 1-51).
Also included is a typescript list of the same place-names, on loose sheets, the names numbered and in alphabetical order (ff. 52-98); typescript and manuscript notes, [?1938], on the Rhondda in the year 1737, including transcripts of Overseers of the Poor accounts (ff. 103-109); notes, 1938, relating to bird life in the Rhondda (f. 110); and three letters to Harris, October 1921-May 1928, including two from M. H. Jones, Penllwyn (ff. 99-102).

Research of Dr John Roderick Walters, Abergavenny, into the phonology of the accent of English in the Rhondda Valleys, South Wales. The study includes interviews with members of the workman's Clubs in the Valleys communities, audio recordings, PDF files of the transcripts, an analysis and findings. The research findings were published in his PhD thesis: A study of the segmental and suprasegmental phonology of Rhondda Valleys English, at the then University of Glamorgan, 1999. The audio recordings were added at a later date. Also available http://phonology.org/ . Comprising 373 audio files, and 96 text files.