„for the Queen’s burial … the duchess of Suffolk will be the second [mourner]“ Brief des kaiserlichen Botschafters Chapuys vom 21. Januar 1536 an Kaiser Karl V. In: Letters and Papers, Foreign and Domestic, Henry VIII. Band 10: January-July 1536 (1882) Textarchiv – Internet Archive
Brief vom 27. Februar 1546, kaiserlicher Botschafter Van der Delft an Kaiser Karl V. In: Letters and Papers, Foreign and Domestic, Henry VIII. Band 21, Teil 1: 1546 Jan.–Aug. (1883), Textarchiv – Internet Archive
“Can but wonder at Lady Suffolk’s heats. They have oft cumbered him but never worse than at this time. It is a great pity that so goodly a wit waiteth on so froward a will.” Brief vom 9. Mai 1551, Sir Richard Morrison an Nicolas Throckmorton, Textarchiv – Internet Archive
british-history.ac.uk
british-history.ac.uk „On Sunday next the duke of Suffolk will be married to the daughter of a Spanish lady named lady Willoughby. She was promised to his son, but he is only ten years old…“ Brief des kaiserlichen Botschafters Chapuys an Kaiser Karl V. In: 'Henry VIII: September 1533, 1–10', Letters and Papers, Foreign and Domestic, Henry VIII. Band 6: 1533 (1882)
british-history.ac.uk „Yesterday morning died the earl of Lincoln…“ Brief vom 2. März 1534, William Lord Dacre an Lady Dacre In: 'Henry VIII: March 1534, 1–5', Letters and Papers, Foreign and Domestic, Henry VIII. Band 7: 1534 (1883)
british-history.ac.uk “[…]the Queen, instigated by the Duchess of Suffolk, Countess of Hertford and the Admiral’s wife, shows herself infected[…]” Brief Chapuys’ an Maria von Ungarn vom 29. Januar 1547.