Consists of various correspondence and writings by others that Newton collected.

The Writings series contains articles, lecture notes, notes, and statistics. The writings are largely concerned with economic development but also cover a wide variety of subjects, including economic systems and history, economic issues faced by minorities, and international economics, as well as education, industries and land use, pricing, and unemployment.

Consists of drafts of both individual works and full-length books and book projects by John Ennis in various stages of completion, along with proofs, poem lists, notebooks and loose notes, source materials, research, photographs, cover designs, publicity materials, reviews, correspondence, and press clippings related to Ennis's writings. While the vast majority of materials relate to his poetry, both published and unpublished, a smaller number pertain to musical works created in collaboration with composer Eric Sweeney for which Ennis composed lyrics, drafts of unpublished short stories from the 1970s, and Ennis's 1997 PhD thesis on the use of myth and archetypes in his own poetry.

Consists of drafts, notes, proofs, and source materials for McCarthy's poetry and novels, as well as for his nonfiction writings and play and film treatments. Of note are his extensive poetry workbooks that contain early drafts of many of his published poems.

This series consists of manuscript and notebook writings by Newton. Included are unpublished manuscript translations of Johann Wolfgang von Goethe's Conversations with Eckermann and Wilhelm Meister's Apprenticeship and Travels, a manuscript of The Letters of Thomas Mann to Caroline Newton, and other miscellaneous writings. While the majority of the writings relate to Thomas Mann and other literary topics, there are also some notes and writings from Newton's study and practice of psychoanalysis.

Consists of research material, notes, outlines, drafts, galleys, and proofs. Yellow legal notepads contain notes, early draft material, and inserts for later typed and printed versions. Notepads are identified by their first lines, though a single notepad may contain a variety of material, including material relating to other works, correspondence drafts, and other unrelated notes. Corrected typescript and printout drafts often show significant revisions. Material from various stages of the publication process is present, including setting copies with copy-editor's and typesetter's marks, galleys, page proofs, F (folded-and-gathered pages, in signatures but not yet bound), blueline proofs ("confirmation blues"), advance copies (bound uncorrected proofs, pre-publication, often used for book reviewers) and production/design material with page and dust-jacket samples. Page numbers are noted for paginated material.

Consists of Florovsky's writings, in the form of typescript and manuscript drafts of his articles and reviews, and related research materials, in the form of notes, bibliographies, and bibliographical card files.

Consists of publisher's files of notable British socialist authors of the 20th century. Files primarily include correspondence and publication agreements with some ephemera (e.g. dust jackets, newspaper clippings). Much of the correspondence regards copyright and use permissions, with some content regarding sales, microfilming, and editorial notes.