Fonds consists of personal records of Thomas H.B. Symons relating to his career and to his family. Included are records of his wife, Christine Symons, his children, Mary, Jeffrey, and Ryerson Symons, his father, Harry Lutz Symons, including his father's manuscript for "Three Ships West", and his mother, Dorothy Sarah (Bull) Symons. Also included are materials relating to Professor Symons' activities on various boards and committees, addresses, articles, manuscripts, typescripts, and correspondence, documents and notes concerning Trent University, Association of Commonwealth Universities, Celanese Canada, Science Council of Canada, Department of External Affairs, Royal Society of the Arts, Social Sciences and Humanities Research Council, etc.. Also included are photographs of Thomas H.B. Symons, Christine Symons, and His Royal Highness the Prince of Wales.