Welsh title: Yr ieithoedd llai - cymathu newydd-ddyfodiaid.
Bound tête bêche.
The lesser used languages - assimilating newcomers : proceedings of the conference held at Carmarthen, 1991. ISBN 0860750841. Published by Joint Working Party on Bilingualism in Dyfed in 1992. Publication and catalogue information, links to buy online and reader comments.