The Edward Field letters to Ilse-Margret Vogel comprise seventeen items roughly spanning the dates between 1992 and 2000, documenting the literary friendship between American poet, novelist, and editor Field and German author and illustrator Vogel. Material includes correspondence with a variety of enclosures, including manuscripts, clippings, notes, and advertisements.

Four typed letters sent from various correspondents, including W. D. Snodgrass, to Dennis Jackson spanning from 1984 to 2001.

The papers of the American writer of the political left Meridel Le Sueur consist of typescripts of Le Sueur’s poems and stories, sixty-three letters to her friend writer and journalist Doris Kirkpatrick (1902-1984), letters written to Le Sueur by others, photos and other images, news clippings and a periodical.

Helen Ann Raiber (1926-1971) was a writer born and raised in Pennsylvania. Throughout her life, she wrote letters to writers and other artists whose work she admired. The Helen Ann Raiber papers consist of an album of letters she received from authors and artists, a journal with a story she wrote as a child, and a scrapbook containing her published poems and articles.

The Louis Untermeyer papers consist of five linear feet of manuscript material abandoned by Untermeyer when he sold his Adirondack home, Stony Water, around 1970. Dating from 1902 through 1972, with the bulk of the papers dating 1912–1935, the collection is composed of correspondence, proofs, lists, scrapbooks, notes, photographs, programs, announcements, lectures, anthologies, poems, reviews, essays, and a bookplate.

Gustave Percival Wiksell (1863-1940) was a Boston dentist who also served as president of the Walt Whitman Fellowship from 1903 until 1919. The Gustave Percival Wiksell miscellaneous material related to Bliss Carman, F. B. Sanborn, and R. W. Trine contains letters, photographs, and clippings that were originally laid in books that were part of Wiksell's collection.

Eight autograph letters, one written and signed by William Carlos Williams to Charlotte Wilson commenting positively on a poem she wrote, five letters from Williams's wife, Florence, to Wilson, and two letters from Kay Boyle to Wilson, dated from December 3, 1957 to November 1, 1961.