-
1Rhif Galw: PH 1 Helv 1 (1969) *-07Llyfr
-
2Rhif Galw: PH 1 Helv 1 (1969) *-06Llyfr
-
3Rhif Galw: PH 1 Helv 1 (1969) *-05Llyfr
-
4Rhif Galw: PH 1 Helv 1 (1969) *-04Llyfr
-
5Rhif Galw: PH 1 Helv 1 (1969) *-03Llyfr
-
6Rhif Galw: PH 1 Helv 1 (1969) *-02Llyfr
-
7Rhif Galw: PH 1 Helv 1 (1969) *-01Llyfr
-
8Rhif Galw: PH 1 Helv 2 *Hel/Phi -02Llyfr
-
9
-
10