1. J. R. (James Rees) Jones (b. 1925), author of Country and court : England, 1658-1714.
2. J. R. (John Richards) Jones (b. 1937), author of Isotopes : essential chemistry and applicants.
3. J. R. (John Robert) Jones (b. 1917), author of The encyclopaedia of rugby football.
4. J. R. (John Robert) Jones (1911-1970), author of Prydeindod.
5. J. R. Jones, publishing company for The self-pronouncing S. S. teacher's combination Bible.
6. J. R. Jones, author of Ysgol Llangynfelyn, 1876-1976 (1976).