Hispanic Studies. History and historiography of the Spanish language in its diachrony, in relation to the other languages and linguistic varieties of the Iberian Peninsula:

• Linguistic study of Spanish in its origins
• History of the Spanish language throughout its diachronic evolution in contact with the other linguistic varieties of the Iberian Peninsula
• Grammatical, orthographic and lexicographic codification of Spanish language
• The Spanish standard from a historiographical point of view: grammars, orthographies and dictionaries
• History of Spanish pronunciation
• Phraseology and phraseometry of Spanish in its diachrony