Papers of John Matthias, consisting of notebooks; drafts of poems, essays, and editorial work; limited and signed editions and/or pamphlets and chapbooks; letters from British and American poets; drafts of translations and correspondence with translators; letters from editors, critics and scholars; and other files documenting his career as poet, critic, scholar, translator, teacher, poetry fellow of Clare Hall, Cambridge, editor of Notre Dame Review, and the subject of literary study by a variety of critics in the UK and US.

Matthias' correspondence, manuscripts, and agreements for his book 23 Modern British Poets; and manuscripts and proofs of his book Bucyrus. Also One reel of 35mm microfilm of David Jones letters to H.S. Ede (in the Cambridge University Library).