This series covers the years from 1944 to 1994 and is arranged alphabetically. Representative correspondents include Mexican, American, British, French and Spanish publishers, literary agents, faculty and administrators at colleges and universities throughout the U.S., Mexico, Latin America, and Europe, and writers, translators, theater directors, and filmmakers. Correspondence with publishers Farrar, Straus Giroux covers 1963-1993; Éditions Gallimard, 1961-1993; Fondo de Cultura Económica, 1961-1993; Editorial Joaquín Mortiz, 1965-1984; and Editorial Seix Barral, 1967-1985. There is also a large amount of correspondence with members of Fuentes' family, especially his mother, Bertha Macías de Fuentes, and father Rafael Fuentes Boettiger, and some correspondence of Carlos Fuentes with friends in the 1950s. Some of the folder titles follow Fuentes' own labels used in filing correspondence. There are many letters from readers and students, filed chronologically, in the folders labeled "Students and Readers."

Includes report cards from schools which Fuentes attended, miscellaneous certificates, and identification papers issued by the Mexican government. There are also drafts of Fuentes' curriculum vitae, U.S. immigration forms, death papers for Rafael Fuentes Boettiger, and appointment calendars marked by Fuentes for the years 1975 1977-1982 and 1986-1987. Also includes bills, receipts, and tickets from hotels, airlines and cruise lines, bank statements, and a small amount of tax forms.

Includes photographs of Fuentes' parents, one of his sister Berta Macías de Fuentes, one photograph of Octavio Paz, and many photographs (some are reproductions) of Fuentes, dating from the 1950s to 1997.

Includes manuscript poems, short stories, and theater pieces by writers Julio Cortázar, Octavio Paz, Juan Rulfo, Jorge Guillén, Fernando Benítez, Claribel Alegría and Darwin J. Flakoll, and others; draft manuscript and page proofs for an anthology on Spanish American poetry by Cintio Vitier; printed screenplays, "Juarez" by John Huston et al., and "Love and Money" by James Toback et al.; literary criticism by others; and several doctoral dissertations and other theses on Fuentes. Short papers of others are filed in alphabetical order in folders at the start of the series. Longer papers of others are filed under the author's name or under "unidentified," in a separate folder or folders.

This series spans 1942 to 1993 and includes a large and diverse amount of biographical material about the author and memorabilia saved by Fuentes, including printed matter from schools attended in the 1940s; movie and theater program from Mexico, New York, and European countries in the 1950s; printed copies of Fuentes' journalism and fiction; interviews with Carlos Fuentes; and tearsheets of articles on Carlos Fuentes from academic journals published in the U.S., Mexico, Spain, and other countries.