The Fundación's research library specialises in contemporary Spanish Theatre and Music, Illusionism and Curatorial Studies. Their online library is made up of 10 portals broken down into thematic knowledge areas, with a catalogue of over 180,000 records, including monographs, sheet music, periodicals, photographs, posters and sketches, as well as original manuscript documents. The Fundación also maintains three personal libraries – those of Julio Cortázar, the painter Fernando Zóbel and academic Francisco Ruiz Ramón. It also hosts around 15 personal archives of composers and playwrights.
