29 Resources share the relationship genre to Personal correspondence

The Verneys, a true story of love, war, and madness in seventeenth-century England, Adrian Tinniswood
Letters of note, compiled by Shaun Usher
There's a revolution outside, my love, letters from a crisis, edited by Tracy K. Smith and John Freeman
The Van Gogh sisters, Willem-Jan Verlinden ; [translated by Yvette Rosenberg and Brendan Monaghan]
Letters to Véra, Vladimir Nabokov ; edited and translated by Olga Voronina and Brian Boyd
Collected poems, prose & plays, Robert Frost
The agitators, three friends who fought for abolition and women's rights, Dorothy Wickenden
The rainbow comes and goes, a mother and son on life, love, and loss, Anderson Cooper and Gloria Vanderbilt
The sun also rises & other writings, 1918-1926, Ernest Hemingway ; Robert W. Trogdon, editor
Olive the Lionheart, lost love, imperial spies, and one woman's journey into the heart of Africa, Brad Ricca
Duke in his own words, John Wayne's life in letters, handwritten notes and never-before-seen photos, introduction by Ethan Wayne
Letters of a woman homesteader, by Elinore Pruitt Stewart ; foreword by Jessamyn West
A journal for Jordan, a story of love and honor, Dana Canedy
Air mail, letters of politics, pandemics, and place, Pam Houston, Amy Irvine ; illustrations by Claire Taylor
Perfectly reasonable deviations from the beaten track, the letters of Richard P. Feynman, edited and with additional commentary by Michelle Feynman ; foreword by Timothy Ferris
Jane Austen, the Chawton letters, edited with an introduction by Kathryn Sutherland
Letters to Camondo, Edmund de Waal
The rainbow comes and goes, a mother and son talk about life, love, and loss, by Anderson Cooper and Gloria Vanderbilt
One art, letters, Elizabeth Bishop ; selected and edited by Robert Giroux
Letters from Hollywood, inside the private world of classic American moviemaking, compiled and edited by Rocky Lang and Barbara Hall ; foreword by Peter Bogdanovich
Collected writings, Two serious ladies ; In the summer house ; Stories & other writings ; Letters, Jane Bowles ; Millicent Dillon, editor
The agitators, three friends who fought for abolition and women's rights, Dorothy Wickenden
A private spy, the letters of John le Carré, edited by Tim Cornwell
Kirk and Anne, letters of love, laughter, and a lifetime in Hollywood, Kirk and Anne Douglas ; with Marcia Newberger
George Harrison on George Harrison, interviews and encounters, edited by Ashley Kahn
The agitators, three friends who fought for abolition and women's rights, Dorothy Wickenden
The prison letters of Nelson Mandela, edited by Sahm Venter ; foreword by Zamaswazi Dlamini-Mandela
Letters of note, cats, compiled by Shaun Usher
The rainbow comes and goes, a mother and son on life, love, and loss, Anderson Cooper and Gloria Vanderbilt