The Mesoamerica and Colonial Mexico Rare Book Collection is comprised of three collections: Ruwet, Glass and Nicholson. The three collections amount for approximately 7,000 books and documents that include the papers and research works of three donors. The collection is divided into three large groups: The Mesoamerican, the Colonial, and the Independent periods that form the sequence of the history of Mexico from the 16th to 20th century. The collection includes facsimile editions of the Pre-Columbian Codices, such as the Borgia, Nuttall, Fejervary-Mayer, Vaticanus A and B, Selden, Borbonicus, Boturini, Mendoza, De la Cruz-Badiano, Florentine Codex. Some of the editions are accompanied by analysis and annotations by 19th and 20th century scholars such as Alfredo Chavero, Francisco del Paso Y Troncoso, Eduard Seler, Jose Fernando Ramirez, among others.