The Alcheringa Collection spans the entire history of the magazine, including approximately 100 manuscript items representing a broad range of the poetry, articles, and reviews that were published; approximately 200 letters and 46 postcards from internationally known poets, anthropologists and folklorists including Michael Corr, Robert Creeley, Ted Enslin, Jerome Rothenberg, Gary Snyder, Nathaniel Tarn, and Dennis Tedlock; approximately 1,219 items of business records including subscription lists, permissions, budget reports, advertising information, copyrights, requisitions, correspondence with other magazines, and other related documents; and miscellaneous photographs and peripherals.

The Amelia Etlinger Collection, 1971-2014, is primarily a collection of over 100 art objects, mail art, and concrete poetry sent to Ellen Marie Helinka [Bissert], Mike Belt, Mirella Bentivoglio, and the University at Buffalo Poetry Collection in the 1970s and 1980s. Additional material includes correspondence between mailart recipients and Etlinger, and correspondence between recipients pertaining to Etlinger; exhibition catalogs, announcements, interviews, newspaper clippings, and photographs; and art criticism in the form of articles, exhibition reviews, descriptions, and a DVD of artist and collector Paula Claire opening and describing her personal collection of Etlinger works.

Poet and translator Anselm Hollo was born in Helsinki, Finland in 1934. He moved to the United States in 1967 and taught at various universities, including University at Buffalo, the Iowa Writers' Workshop, University of Colorado, and the Naropa Institute in Boulder, Colorado, where he lived until his death in 2013. Hollo was influenced by the Beat poets and was the author of more than forty books of poetry. His translations include works by Finnish poets Paavo Haavikko and Pentti Saarikoski and Slovene poet Tomaž Šalamun, and this collection includes manuscript material for these translations. Also included is correspondence both personal and business-related, including letters from publishers. The materials in this collection were purchased from a book dealer who had purchased them from Hollo's first wife, Josephine Clare.

Bruce Boone is a poet, writer, translator, and activist living and working in San Francisco, CA. The Bruce Boone papers span the years 1940-2014 and contain Boone's manuscripts, correspondence, personal records, writings by contemporaries, and original artwork. The collection contains paper, analog, and born-digital records.

The Contemporary Manuscripts Collection contains a total of thousands of pages of manuscripts and/or correspondence from hundreds of poets and writers such as Lascelles Abercrombie, W. H. Auden, David Gascoyne, Elizabeth Jennings, Hugh MacDiarmid, Thomas Merton, Charlotte Mew, Ezra Pound, Alastair Reid, Peter Russell, Winfield Townley Scott, Genevieve Taggard, Ruthven Todd, Henry Treece, and Louis Zukofsky.

Earth's Daughters Collection, 1969-2015, contains materials related to the production of the magazine. The bulk of the material is submissions by poets. Other material includes correspondence, editorial business, financial records, grant applications, distribution records, production material, submission records, subscription records, art and ephemera.

The First Intensity Collection contains the editorial correspondence for Lee Chapman's literary magazine from 1992 to 2007. Correspondence contains poetry submissions, page proofs, reviews, and articles from poets featured in First Intensity.

The Jayne Lyn Stahl collection contains materials related to the plays, writings and poetry of Jayne Lyn Stahl. Jayne Lyn Stahl was a freelance poet, playwright, freelance essayist, and member of the PEN American Center. The collection includes draft poems, screenplays, letters, and other related materials.

The Kiosk Collection contains materials from Kiosk: A Journal of Poetry, Poetics, and Experimental Prose, published by Poetics students at University at Buffalo, The State University of New York, including editorial correspondence and submissions.

Poet, essayist, editor, translator, and teacher Denise Levertov was an important voice in the American avant-garde and was particularly involved in anti-war and anti-nuclear activism, co-initiating Writers and Artists Protest against the War in Vietnam. She served as poetry editor of the Nation (1961-1962) and Mother Jones (1976-1978) and taught at a number of universities, including City College (CUNY); University of California, Berkeley; Massachusetts Institute of Technology; Tufts University; Brandeis University; and Stanford University. Poet, editor, and teacher Mark Pawlak was born in Buffalo in 1948. He attended Massachusetts Institute of Technology in the late 1960s, where he studied poetry with Denise Levertov. Pawlak and Levertov exchanged correspondence until her death. This collection consists primarily of Levertov's correspondence to Pawlak, spanning years 1970-1993, and also includes materials from Pawlak's time as Levertov's student at MIT.