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Script type
CreatorJacobo de Testera
Time period
16th to 19th centuries
Directionboustrophedon Edit this on Wikidata
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Testerian is a pictorial writing system that was used until the 19th century to teach Christian doctrine to the indigenous peoples of Mexico, who were unfamiliar with alphabetic writing systems. Its invention is attributed to Jacobo de Testera, a Franciscan who arrived in Mexico in 1529.


  • Haberly, David (1963). "The Hieroglyphic Catechisms of Mexico". {{cite journal}}: Cite journal requires |journal= (help)
  • Leeming, Ben (2005). "Preaching With Pictures: How Hieroglyphic Catechisms Shaped Native Mesoamerican Christianity in Sixteenth-Century Mexico". {{cite journal}}: Cite journal requires |journal= (help)
  • Normann, Anne (1985). "Testerian Codices: Hieroglyphic Catechisms for Native Conversion in New Spain". {{cite journal}}: Cite journal requires |journal= (help)
  • Robertson, Donald (1994). Mexican Manuscript Painting of the Early Colonial Period: The Metropolitan Schools. University of Oklahoma Press. pp. 53–55. ISBN 0-585-14632-2.
  • Catecismo pictórico Otomí