Your search for "Predominently autograph by Shrewsbury with additions by Bess" returned 5 letters.
Bess's husband, George, sixth earl of Shrewsbury, writes to William Cecil, Lord Burghley, expressing his trust in Burghley's good influence with the queen to show goodwill towards Bess's daughter Elizabeth, countess of Lennox, and grand-daughter, Arbella Stuart. He proposes to send lead for Burghley's building projects by midsummer. Bess (countess of Shrewsbury) adds a postscript, thanking Burghley for another instance where he spoke to the queen on Bess's daughter, Elizabeth's behalf.
Bess's husband George, sixth earl of Shrewsbury, writes to Robert Dudley, earl of Leicester, and describes how he and Bess have received alarming news (in a letter which is enclosed) that the king of Scotland (James VI) and his court are 'determined altogether to defeat our little Arbella of her right to the earldom of Lennox'. He and Bess hope for Leicester’s influence on queen Elizabeth I in this matter. The letter is written in Shrewsbury's own hand but signed by both he and Bess (countess of Shrewsbury).
Bess's husband, George, sixth earl of Shrewsbury, writes to Thomas Baldwin, his servant, with instructions for settling financial and business matters, including some with Bess (countess of Shrewsbury), who needs £100 for a new year's gift for the queen. In a postcript, Bess asks Baldwin for speedy payment, and that the money be given to her son, William Cavendish.
Bess's husband, George, sixth earl of Shrewsbury, writes to William Cecil, Lord Burghley, concerning complaints made by tenants at Ashford (Derby) who are now bringing petitions to the court. He asks Burghley to punish 'those bad persons of Ashford who complain against my wife'. Bess (countess of Shrewsbury) adds a postscript to the same effect.
Bess's husband, George, sixth earl of Shrewsbury, writes to his servant, Thomas Baldwin, with instructions to buy him a Spanish leather jerkin and to have his cloak mended. He will leave other matters to their meeting in Whitsun week. In a postscript, Bess (countess of Shrewsbury) describes how she opened the letter by mistake, thinking it for her. She also asks after her daughter, Frances Pierrepont (née Cavendish).