- F6.
- Cyfres
- 1919-1940.
Letters, 1919-1920, from 'Mair' to T. I. Ellis, an exercise book, [c. 1920], containing Greek and Latin exercises by T. I. Ellis, and papers, 1925-1940, relating to the administration of the Welsh Schoolboys' Camp Movement.
Ellis, T. I. (Thomas Iorwerth), 1899-1970