the Bibliothèque Nationale in Paris.Codex en Cruz - a single piece of amatl paper, it is currently held by the Bibliothèque Nationale in Paris.Codex Fejérváry-Mayer – pre-Hispanic calendar codex, part of the Borgia Group.Codex Ixtlilxochitl, an early 17th-century codex fragment detailing, among other subjects, a calendar of the annual festivals and rituals celebrated by the Aztec teocalli during the Mexican year. Each of the 18 months is represented by a god or historical character. Written in Spanish, the Codex Ixtlilxochitl has 50 pages comprising 27 separate sheets of European paper with 29 drawings. It was derived from the same source as the Codex Magliabechiano. It was named after Fernando de Alva Cortés Ixtlilxochitl (between 1568 & 1578 - c. 1650), a member of the ruling family of Texcoco, and is held in the Bibliothèque Nationale in Paris and published in 1976. Page by page views of the manuscript are available online.Codex Laud, part of the Borgia Group.Codex Magliabechiano was created during the mid-16th century, in the early Spanish colonial period. Based on an earlier unknown codex, the Codex Magliabechiano is primarily a religious document, depicting the 20 day-names of the tonalpohualli, the 18 monthly feasts, the 52-year cycle, various deities, indigenous religious rites, costumes, and cosmological beliefs. The Codex Magliabechiano has 92 pages made from Europea paper, with drawings and Spanish language text on both sides of each page. It is named after Antonio Magliabechi, a 17th-century Italian manuscript collector, and is held in the Biblioteca Nazionale Centrale, Florence, Italy.Codex Mendoza is a pictorial document, with Spanish annotations and commentary, composed circa 1541. It is divided into three sections: a history of each Aztec ruler and their conquests; a list of the tribute paid by each tributary province; and a general description of daily Aztec life. It is held in the Bodleian Library at the University of Oxford.Codex MexicanusCodex Osuna is a mixed pictorial and Nahuatl alphabetic text detailing complaints of particular indigenous against colonial officials.Codex Porfirio Díaz, sometimes considered part of the Borgia GroupCodex Reese - a map of land claims in Tenotichlan discovered by the famed manuscript dealer William Reese.Codex Santa Maria Asunción - Aztec census, similar to Codex Vergara; published in facsimile in 1997.Codex Telleriano-Remensis - calendar, divinatory almanac and history of the Aztec people, published in facsimile.Codex Ríos - an Italian translation and augmentation of the Codex Telleriano-Remensis.Codex of Tlatelolco is a pictorial codex, produced around