Dr. James P. Joule Type Item Uploaded by Llyfrgell Genedlaethol Cymru / The National Library of Wales
John Maurice Jones Type Item Uploaded by Llyfrgell Genedlaethol Cymru / The National Library of Wales
John Morris Jones and his wife, Catherine Type Item Uploaded by Llyfrgell Genedlaethol Cymru / The National Library of Wales
John Maurice Jones and Olwen Bryan Type Item Uploaded by Llyfrgell Genedlaethol Cymru / The National Library of Wales
