The Herbert Howarth Papers consists of material relating to Howarth's book, Notes on Some Figures Behind T. S. Eliot (1964) and includes his letters to and from T.S. Eliot. Howarth submitted drafts of his text to Eliot for comment and several drafts of the book with marginal corrections by Eliot are housed in the collection. The collection offers a unique opportunity to view the response of the subject of a critical biography to the views of a biographer.

Consists of correspondence from Sylvia Plath and Ted Hughes to Olwyn Hughes, Ted's sister. Also, included is correspondence from Hughes to Graham Ackroyd and Ian Hamilton and typescript and manuscript drafts of Adam and the Sacred Nine.

The Hurst Papers consist of a small quantity of correspondence (most of it between Hurst and her school friend Lois Toensfeldt), the manuscript for her novel Quiet Street, some diary material, and a group of clippings and memorabilia. Special Collections also holds Hurst's personal collection of her published work which includes a complete set of first and variant editions, translations, and other copies of her books.

The David Jackson Papers consists of extensive correspondence, photographs of family and friends, and manuscript material towards Jackson’s poems, stories, and plays.

Collection of James Merrill manuscripts, inscribed books, photographs, ephemera, publications and realia. All materials belonged to Merrill's close friend, Claude Fredericks, an American poet, playwright, printer, writer, and a professor of literature at Bennington College.