Juan Gelman (1930-2014) was an Argentine poet, translator, journalist, and human rights activist. His papers contain handwritten, typewritten, and printouts of his writings, correspondence, notes, research files, awards and certificates, and personal photographs. A significant portion of the papers feature analog and born-digital investigative files relating to human rights investigations and campaigns Gelman conducted with his spouse, Mara La Madrid, on the forced kidnapping and death of his son and pregnant daughter-in-law, Marcelo Gelman and María Claudia García Irureta Goyena. Also included are files on his search to find his missing granddaughter, Macarena Gelman. Additional materials consist of original drafts and documents related to Juan Gelman's writing; letters; publishing contracts; documents about Juan Gelman's work as a translator; materials related to the campaign to lift the ban on Juan Gelman's entry into Argentina and his return to Buenos Aires; newspaper and magazine clippings related to the ban on Juan Gelman's entry into Argentina, as well as celebrating his return; materials related to Marcelo and Paulina, including photographs of Gelman and the family; works by other writers; and audio cassettes.

Lorenzo García Vega is a Cuban writer best known for his involvement in the literary group Orígenes. The collection consists of selected manuscripts, notebooks, correspondence and clippings.

The collection includes correspondence to and from Mexican poet and Nobel Prize Laureate Octavio Paz (1914-1998) and French translator and friend Monique Fong Wust. Other correspondents include Robert Lebel, Marie-Jo Paz, and Juan García de Oteyza. Also included are original English typescripts of Paz's essay, "The Centurions of Santiago" with corrections and additions from Paz and Fong Wust, an annotated and corrected printed copy of Paz's Apariencia desnuda. La obra de Marcel Duchamp for French translation, and various ephemera about related Paz events.

The Plural Editorial Files is comprised of the editorial correspondence of Plural (1971-1976), the Mexican journal of literature, politics, art, and cultural commentary. Files include correspondence with Plural editors and personnel Octavio Paz, Kazuya Sakai, Danubio Torres Fierro, José de la Colina, Sonia Levy-Spira, Julio Scherer García, Tomás Segovia, and others. Contributor correspondence include a wide range national and international of writers, publishers, and intellectuals from Latin America, United States, and Europe.

Rodolfo Alonso is an Argentine poet, translator, essayist, and editor. The collection includes Alonso's correspondence with various Latin American writers including Carlos Drummond de Andrade, Raúl Gustavo Aguirre, Juan Gelman, Augusto Roa Bastos, Juan José Saer, Ernesto Sábato, Lêdo Ivo, Hector Tizón, Edgar Bayley, António Ramos Rosa, Milton de Lima Sousa, and Claudio Magris. In addition, the collection includes photographs of Alonso throughout his career with many Latin American figures as well as a personal collection of his family and travels.

The Vuelta Editorial Files is comprised of the publishing files of Vuelta (1976-1998), the Mexican journal of literature, politics, art, and cultural commentary. Includes author files, correspondence between editors, writers, translators, scholars, and rights publishing companies, and administrative and project files. Includes original and photocopy typescript and handwritten manuscript submissions of articles, interviews, translations, narrative, and poetry. Related research materials such as press clippings and printed material are also found in the author files and correspondence. Included in the files are documents relating to Encuentro Vuelta - El Siglo XX: La Experiencia de la Libertad, a televised conference series program organized by Vuelta in 1990 about the rise of socialism in Eastern Europe. Series 6 includes various booklets and speech materials from the Nobel Prize ceremony in 1990, the year Octavio Paz was awarded the Nobel Prize in Literature.