The Alejandro Rossi Papers contains a wide range materials, including notebooks, drafts of writings, correspondence with writers, editors, philosophers, and artists, and materials related to conferences and lectures in Mexico and abroad. There is a small grouping of materials that Rossi kept together in a folder entitled "important documents"; among the materials are three black-and-white photographs, a letter and document related to Rossi's ancestor, the Venezuelan general José Antonio Páez, and several items related to his involvement with the founding of Vuelta. For more material related to this literary journal, the researcher is encouraged to consult Rossi's correspondence files with authors such as Octavio Paz, José Bianco, Carlos Fuentes, and others.

Manuscripts of all Rossi's literary works, photographs, diaries, notebooks, and correspondence, including letters from Octavio Paz (26), Jose Bianco (14), Carlos Fuentes (5) , Guillermo Cabrera Infante (4), Mario Vargas Llosa (1), and many others.