Pietro Razzano, Vicente Ferrer,

Según Pietro Razzano (1455), biógrafo de Vicente Ferrer, el santo predicaba en su lengua materna valenciana.

https://twitter.com/sheev100?lang=es

 ... et sua Valentina ac materna lingua fuerit ...

https://archive.org/search.php?query=Vicente%20Ferrer&and[]=mediatype%3A%22texts%22

http://www.traditio-op.org/santos/Vicente_Ferrer/Historia_de_San_Vicente_Ferrer,_Pbro_Jose_Sanchis_y_Sivera.pdf

http://worldcat.org/identities/lccn-n85202774

http://www.jewishencyclopedia.com/articles/6094-ferrer-vicente

https://www.eltestigofiel.org/index.php?idu=sn_1111