The phrase "a bundle of letters" is correct and usable in written English.
It can be used to refer to a collection of written correspondence, such as a group of letters sent or received by someone.
Example: "After going through the attic, I found a bundle of letters from my grandparents that detailed their early life together."
Alternatives: "a collection of letters" or "a stack of letters".
Reports that he had left a bundle of letters with his solicitor several months ago in case he suffered a violent death could not be confirmed.
Kwon, a woman with a suitcase, picks up a bundle of letters at the reception desk of an office in Seoul.
Her antecedents are not only "Miss Lonelyhearts" but also "A Bintel Brief" ("a bundle of letters"), the advice column that began in The Jewish Daily Forward in 1906 to help Eastern European immigrants cope with American life.
And a bundle of letters that were never sent, discovered in his apartment after his death, reveal his passion and despair over his only love affair, with the artist Suzanne Valadon.
By far the paper's most popular feature was called "A Bintel Brief" ("A Bundle of Letters"), in which readers gave voice to their most personal concerns and posed plaintive questions.
In the 1989 sections of the narrative, Con discovers a bundle of letters written by Marlene to her mother during World War II, glimpsing a manipulative, criminal Marlene — and quickly burying that awareness.
A diary, a bundle of revealing letters, private notes on cases -- Newmyer has nothing rich to mine.
They serve a warrant to seize a bundle of private letters a US reporter is storing in a safe deposit box at a bank branch in Manhattan.
In a pre-internet age you may uncover a bundle of love letters from a cheating partner, but with online records the entire back-and-forth is laid bare.
She and Franklin probably became intimate in 1916, and the affair was discovered in September 1918, when Eleanor, unpacking for her husband, who had just returned from England with the flu, discovered a bundle of incriminating letters.
More importantly, what if I'm copying a bundle of incriminating letters from 2011?
