In the early twentieth century, Zacarías García Villada discovered the Nodicia de kesos on the backside of a tenth-century parchment recording a gift to the monastery of San Justo y Pastor, which was located in either Chozas de Abajo or Ardón del Esla in the Kingdom of León. It is a list of the cheeses used up by the monastery in various activities, either as food or as payment. Its orthography is reflective of early Iberian Romance pronunciation and diverges sharply from classical Latin. It is of interest as being perhaps the first surviving text in the Leonese dialect, but more probably it represents an Iberian Romance predating any useful distinction between Leonese and Castilian. The conventional title of the list comes from its first three words (incipit) and means "list of cheeses", similar to modern Spanish noticia / lista / relación de (los) quesos.
The document was made in 959 or 974 and shows the evolution of Latin to a Romance language by the Leonese words mixed with the Latin ones. It talks about some cheeses and a monastery. The document is currently in the Cathedral of León, known as Manuscript 852.
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