[1] Read, Evelyn: My Lady Suffolk, A Portrait of Catherine Willoughby, Duchess of Suffolk Alfred A. Knopf, New York 1963, S. 42
[2] „BRANDON, CHARLES. ... created K.B. 1547...“ In: Venn, John: Alumni cantabrigienses; a biographical list of all known students, graduates and holders of office at the University of Cambridge, 1922, S. 206
[3] „BRANDON, CHARLES. Matric. Fell.-Com. From St. John’s, Easter 1549…“ In: Venn, John: Alumni cantabrigienses; a biographical list of all known students, graduates and holders of office at the University of Cambridge, 1922, S. 206
[4] "For the Greeke, the Latine, and the Italian, I know he could do more, then would be thought true by my report." In: Wilson, Thomas: "The Arte of Rhetorique", 1560; edited by G. H. Mair, Clarendon Press, Oxford, 1909, S. 14
[5] "A child, that by his owne inclination, so much yeelded to his ruler, as few by chastment have done the like [...] cherefull [...] kind [...] gentle" In: Wilson, Thomas: "The Arte of Rhetorique", 1560; edited by G. H. Mair, Clarendon Press, Oxford, 1909, S. 16
[6] Read, Evelyn: My Lady Suffolk, A Portrait of Catherine Willoughby, Duchess of Suffolk Alfred A. Knopf, New York 1963, S. 83
[7] Read, Evelyn: My Lady Suffolk, A Portrait of Catherine Willoughby, Duchess of Suffolk Alfred A. Knopf, New York 1963, S. 84
