^In 1943, M. R. Kingsford inherited the diaries of Kingston and his wife Agnes from the last living family descendant, material which he used for his B.Litt thesis at Oxford and which was later published in this biography. The diaries of Mrs. Kingston provided conclusive proof that she was the translator of the Verne works, the Swiss Family Robinson, and in fact of all the other translations attributed to W. H. G. Kingston. The Life, Work, and Influence of W. H. G. Kingston, M. R. Kingsford, Ryerson Press, Toronto: 1947.
^The Life, Work, and Influence of W. H. G. Kingston, M. R. Kingsford, Ryerson Press, Toronto: 1947.
^Dictionary of National Biography, Vol 22 (Supplement), Oxford University Press, London: 1922
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