Calendar of … State Papers Relating to English Affairs … in … Simancas 1558–1603. ed. M.A.S. Hume. 4 Bände. London 1892–1899, Band I, S. 472; archive.org.
„As the thing is publicly talked of in the streets, there can be no harm in my writing openly about the great enmity between the Earl of Leicester and the Earl of Essex, in consequence, it is said, of the fact that while Essex was in Ireland his wife had two children by Leicester … great discord is expected in consequence.“: Calendar of … State Papers Relating to English Affairs … in … Simancas 1558–1603. ed. M.A.S. Hume. 4 Bände. London 1892–1899, Band II, S. 511; archive.org.
Calendar of … State Papers Relating to English Affairs … in … Simancas 1558–1603. ed. M.A.S. Hume. 4 Bände. London 1892–1899, Band III, S. 477; archive.org.
doi.org
Simon Adams: Dudley, Lettice, countess of Essex and countess of Leicester (1543–1634). In: Henry Colin Gray Matthew, Brian Harrison (Hrsg.): Oxford Dictionary of National Biography, from the earliest times to the year 2000 (ODNB). Oxford University Press, Oxford 2004, ISBN 0-19-861411-X (doi:10.1093/ref:odnb/8159 Lizenz erforderlich), Stand: Januar 2008, abgerufen am 11. Januar 2012.
