Neges ewyllys da plant Cymru, 1940
Neges ewyllys da plant Cymru, 1941
Neges ewyllys da plant Cymru, 1942
Neges ewyllys da plant Cymru, 1943
Neges ewyllys da plant Cymru, 1944
Neges ewyllys da plant Cymru, 1947
Neges ewyllys da plant Cymru, 1948
Neges ewyllys da plant Cymru, 1949