‘Triple Alliance, South Wales Section'. Minutes from South Wales Miners’ Federation Council Meeting, Miners' Office Cardiff, April 12th 1921.
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Isabel Frances de Winton Thomas of Glanmor (1868 – 1955). Frank’s portrait with his signature during his early years helping to manage the family firm and around the time of his betrothal to Isabel.
The pamphlet, The Miners' Conflict with the Mineowners, was written in support of the miners. John Thomas gave a lecture at the South Wales Miners' Library in 1974, as the Coalfield Project was coming to an end.
Mrs. Mary Dulcibella Thomas (née Eden) (1834 – 1909) with her second daughter Miss Dulcibel Thomas (1872-1951) outside the drawing room window at Glanmor House, Sketty, Swansea. (The Edens were trusted managers at Vivian and Sons Ltd. The site of Glanmor House is now Long Oaks Court near Myrtle Grove and Glanmor Park Road.) Mrs. Thomas was the second wife of Illtid Thomas (1812 – 89) and Isabel, their eldest daughter, was the first of their children to get married. Frank got on well with his sister-in-law Dulcie and she was a welcome guest on adventurous continental motoring trips.