1/01/01 → 31/12/99
Project: Ymchwil
1/03/00 → 13/03/08
1/02/00 → 31/07/10
1/01/00 → 31/07/09
Davies, E. W.
18/11/99 → 7/04/08
1/11/99 → 1/08/22
1/10/99 → 1/08/08
31/03/99 → 28/07/09