Your search for "Letters which mention the bearer" returned 46 letters.
named bearer: 'Sir Henry Brouncker' - Bess (dowager countess of Shrewsbury) writes to Sir John Stanhope and Sir Robert Cecil following the visit of the queen's agent, Sir Henry Brounker ('Sir Henry Brouncker'), to Hardwick to interrogate Bess's granddaughter, Arbella Stuart. Bess notes that Brounker, who is the letter-bearer, will provide a full account in person, which will save them from reading, and herself from writing, a more lengthy letter.
the bearer ('the bearer hereof') - Lords of the Council write to Bess (dowager countess of Shrewsbury) regarding her troublesome granddaughter, Arbella Stuart, and instruct Bess to keep her pacified and to allow the letter-bearer (unspecified, but 'known to us to be of good religion') to see Arbella as often as she will admit him.
this bearer ('this berer') - George Clifford, earl of Cumberland, writes to Bess (dowager countess of Shrewsbury) regarding two suits. He says that, rather than trouble Bess with a long written letter, he will 'refer all to this berer'. Cumberland urges Bess to have complete faith in the bearer, who is his most trusted man.
this bearer ('by this bearer', 'this bearer') - Bess (dowager countess of Shrewsbury) writes to Sir Julius Caesar, regarding a recent petition from tenants of the High Peak. Bess asks Caesar to trust the letter-bearer, who brings documents and who has authority, from her, to set out the matter fully in person.
named bearer: 'this bearer my survnte Lassels' - James Montague, dean of the Chapel Royal, sends news from Court to Bess (dowager countess of Shrewsbury) delivered by the letter-bearer, Montague's servant 'Lassels'.
this bearer ('this berer') - Mary Talbot writes a short note to her mother, Bess (dowager countess of Shrewsbury), in which she says she has sent 'this bearer' to bring word of her mother's health as she has not heard from her for so long.