Consists of typescript and manuscript drafts of and notebooks relating to Eltit's works, including Lumperica, Pro la patria, El cuarto mundo, Los vigilantes, La vaca sagrada, and other published and unpublished works, as well as several notebooks of poems by Jorge Arrate, and eight master's and Ph. D. theses on Eltit's work.

Consists of drafts, proofs, research materials, notes, press clippings, reviews, publicity materials, recordings, and other documentation related to O'Connor's books and plays for radio, screen, and stage. Materials exist in both paper-based and born-digital formats. Born-digital materials include those O'Connor transferred from his personal computer, as well as digital drafts and recordings extracted from floppy disks and optical media. Different works are documented unevenly, with some including extensive drafts and others including only a few related items. Projects where the most extensive documentation is present are Star of the Sea, Redemption Falls, and Shadowplay, as well as the related radio play Vampyre Man. There are also some unpublished works.