Cyfres A1. - Correspondence,

Correspondence, 1860-1953, mostly comprising letters to John Rhŷs from fellow researchers, friends and family. They mainly relate to his interests in philology, grammar, history, archaeology, ethnology and folklore, and his research concerning inscriptions, including ogam inscriptions. The correspondents range from renowned specialists in various fields to local antiquarians who assisted with the task of recording inscriptions on stones. Some letters are addressed to other individuals, and were probably enclosed with letters addressed to John Rhŷs.