Williams, J. Lloyd, Bryn Cannaid, Ruthin,
Williams, J. Lloyd, Bryn Cannaid, Ruthin,
Williams, J. Lloyd, Botany Department, University College, Aberystwyth,
Williams, J. Lloyd, Botany Department, University College, Aberystwyth,
Williams, J. Lloyd, ? Tregew, Hawthorn, Pontypridd,
Williams, J. Lloyd, ? Tregew, Hawthorn, Pontypridd,
Williams, J. Lloyd (at yr Athro Emrys Evans - wedi ei ddyblygu), Y Rhyl. Saesneg/English,
Williams, J. Lloyd (at yr Athro Emrys Evans - wedi ei ddyblygu), Y Rhyl. Saesneg/English,
Williams, J. Lewis, Heathdene, Cliff Terrace, Aberystwyth.
Williams, J. Lewis, Heathdene, Cliff Terrace, Aberystwyth.
Williams, J. L. Cecil-, [Llundain],
Williams, J. L. Cecil-, [Llundain],
Williams, J. L. Cecil, Honourable Society of Cymmrodorion, 61 Chancery Lane, London WC2,
Williams, J. L. Cecil, Honourable Society of Cymmrodorion, 61 Chancery Lane, London WC2,
Williams, J. L. Cecil,
Williams, J. L. Cecil,
Williams, J. L. C. Cecil-, (Ysgrifennydd Anrhydeddus y Cymmrodorion), Llundain. Saesneg/English,
Williams, J. L. C. Cecil-, (Ysgrifennydd Anrhydeddus y Cymmrodorion), Llundain. Saesneg/English,
Williams, J. Jones, Llys Iorwerth,
Williams, J. Jones, Llys Iorwerth,
Williams, J. J., Treforus,
Williams, J. J., Treforus,
Williams, J. J., Morriston,
Williams, J. J., Morriston,
Williams, J. J., Morriston,
Williams, J. J., Morriston,
Williams, J. J., Ivy House, Bethesda,
Williams, J. J., Ivy House, Bethesda,
Williams, J. J., Cefnfaes Central School, Bethesda,
Williams, J. J., Cefnfaes Central School, Bethesda,
Williams, J. J., Bethesda,
Williams, J. J., Bethesda,
Williams, J. J,
Williams, J. J,
Williams, J. Iorwerth, Ireland,
Williams, J. Iorwerth, Ireland,
Williams, J. Iorwerth [Croesoswallt], Davos-Dorf, Yr Almaen,
Williams, J. Iorwerth [Croesoswallt], Davos-Dorf, Yr Almaen,
Williams, J. H., Trem Haul, Mynydd Isaf, Mold,
Williams, J. H., Trem Haul, Mynydd Isaf, Mold,
