Sources |
- [S25458533589] Dictionary of National Biography, 1st Ed., Ed: Leslie Stephen et al, (Oxford University Press, 1885 to 1900, c. 50 Vols), Son Robert de Ufford's article.
- [S25458533593] Complete Peerage, G E Cockayne et al, (St. Catherine Press, 29 Great Queen St, Kingsway, London 1910 on), Ufford art, Vol XII/2, p. 150.
- [S25458533593] Complete Peerage, G E Cockayne et al, (St. Catherine Press, 29 Great Queen St, Kingsway, London 1910 on), Suffolk article, Vol XII/1, p. 429.
- [S25458533593] Complete Peerage, G E Cockayne et al, (St. Catherine Press, 29 Great Queen St, Kingsway, London 1910 on), Brewes art, Vol II. pp. 305-6.
- [S25458533684] Tim Powys-Lybbe.
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