Edwards, R. T.
1/10/10 → 31/01/21
Project: Ymchwil
Ford, K.
24/01/22 → 15/04/25
1/09/12 → 31/07/16
Davies, E. W.
1/06/08 → 31/07/09
1/05/08 → 5/08/11
1/01/09 → 22/08/13
Richardson, C.
1/02/17 → 31/07/17
1/03/10 → 31/08/11
1/07/17 → 15/12/17
Malham, S.
1/07/23 → 30/06/24