Ramírez Codex
manuscript on Aztec history from the late XVIth century

The Ramírez Codex (Biblioteca Nacional de Antropología e Historia, MNA 35-100), not to be confused with the Tovar Codex, is a post-conquest codex from the late 16th century entitled Relación del origen de los indios que hábitan esta Nueva España según sus Historias ("An Account of the Origin of the Indians who Inhabit this New Spain according to their Histories"). The manuscript is named after the Mexican scholar José Fernando Ramírez, who discovered it in 1856 in the convent of San Francisco in Mexico City.
Creation and contents
The manuscript was presumably created by the jesuit Juan de Tovar c. 1583–1587 under the auspices of the historian José de Acosta. The manuscript deals with the history of the Aztec since their origins at the legendary location of Aztlan until the Spanish conquest. Besides the text of the Relación, the manuscript contains 32 line drawings which are parallel to those found in the work of Diego Durán, in which the text is probably partly inspired, although diverging in significant ways. It is considered as a draft or earlier version of what would be the Tovar Codex, a later, full color version of the same account prepared by Tovar and send to Spain to Acosta, which is now kept in the John Carter Brown Library in Providence.
The Codex Ramirez comprises three sections or treatises: An Aztec imperial history; a book about deities and their festivals; and a brief account of the native calendar. The most detailed and important section is the first treatise, which chronicles the rise of the Aztec empire and the Spanish conquest. Tovar asserts that his works were prepared with the original information of Aztec informants from Tula; however, historians argue that he also extensively utilized the works of Diego Durán, given the undeniable parallels between both.
Begin with the source’s own compact description: “Ramírez Codex” is manuscript on Aztec history from the late XVIth century. The dossier treats that line as a proposition to test through Ramírez, Codex and manuscript, not as a finished interpretation.
Why this record matters
The phrase “manuscript on Aztec history from the late XVIth century” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
Reception evidence should be dated and situated: later canonical status may differ sharply from the work’s initial circulation. The source revision retrieved here is dated Aug 22, 2026. The linked authority identifier is Q1172098. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1856, 1583 and 1587.
Rights, attribution and provenance may remain disputed even when a general reference summary presents a stable account. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
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Three-step research path
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This entry incorporates text from “Ramírez Codex” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.