Letters from various staff members at RTÉ including broadcaster Donncha Ó Dulaing (Head of Features and Current Affairs) arranging a recording time with McGahern (17 Sep 1971); Other letter from Ó Dulaing sets out recording schedule for McGahern's story "Swallows" (13 Sep 1971); Letter from P.J. O'Connor, Head of Radio Drama, inviting McGahern to write a radio play for a new season of radio plays by Irish writers (3 Mar 1980); Letter from Michael Garvey, thanking John and Madeline McGahern for their kindness recently and sending them a number of books.

Letter and postcard from playwright Eugene McCabe to John McGahern.

Manuscript card from writer Ian McEwan to John McGahern, sending him good wishes and thanks for his letter. McEwan also adds that he "would dearly love to come and see the land that lies around your imagination".

Manuscript letters from Emmet McGarry to John and Madeline McGahern.

Letters from writer Belinda McKeon to John McGahern. The letters begin when McKeon was Books Editor of Trinity College Dublin University newspaper and seeking an interview with McGahern; later letters continue contact and interviews with McGahern with McKeon through her journalism work at the Irish Times; letters thanking McGahern for his help of a reference when applying for a place at Columbia University, New York, general discussions on Irish writing and work by each respectively.

Manuscript letters and postcards from Frank McElvoy to John McGahern, with comments on McGahern's novel "Amongst Women" (1990) and letter letters stating that McElvoy has received 100 copies of the American edition of Memoir, titled "All Will Be Well".

Manuscript letters from Roger McHugh, Professor of Anglo-Irish Drama, University College Dublin, to John McGahern, with discussion of short stories by McGahern, and also of McGahern's move to Colgate.

Letters from Frances McCullough, Editor, Harper and Row Publishers Inc., New York, with comments on reviews, distribution, author book jacket quotes, and other comments on the reception of McGahern's novel, "The Pornographer".

Manuscript letters from Susan Cerasano, academic in the English Department, Colgate University, and colleague of John McGahern. Includes news and updates from the Department and campus, personal family updates, discussions on writing and similar topics.

File of letters from St. Patrick's College, including Dr. Derek Hand, its president, Dr. Pauric Travers, and others, relating to the honorary degree awarded to John McGahern by Dublin City University/St. Patrick's College.