This collection contains notes and drafts of many of Ibargüengoitia's plays and novels, including El atentado, Clotilde en su casa, Maten al león, Las muertas, Los pasos de López, and Los relámpagos de agosto as well as drafts of an unfinished novel, Isabel cantaba. Drafts of Ibargüengoitia's short stories and film scenarios, translations of his works, biweekly columns for Excélsior, and essays for Vuelta also appear in the collection. Correspondence consists of letters from family and friends such as Enrique Krauze and Octavio Paz as well as business correspondence with literary agents and publishers. The collection also includes photographs, personal papers, writings about Ibargüengoitia, and printed material.