Fundstellen überprüft.

Oxford Dictionary of National Biography [ODNB]. From the earliest times to the year 2000. Vol. 1-60. Supplement 1 f. Matthew, Henry C. G. (ed.); Harrison, Brian. Oxford [u.a.] : Oxford University Press, 2004 ff.

Vol. 13, S. 547 f. (Online-Version vom 3. 1. 2008)