Home › Authors › Jones, W. S. 👤 Jones, W. S. 3 books Books by Jones, W. S. Micro's [sic] for managers Micro's [sic] for managers 1981 Mewn Tri Chyfrwng Mewn Tri Chyfrwng 1979 Helyntion hen bregethwr a'i gy Helyntion hen bregethwr a'i gyfoedion 1940