574 place names as recorded by Ellero and his translators was extracted from the notebooks of ethnographer GiovanniEllero, holding field notes from Welkait
incorrectly identifies Nigris as Apostolic "Nuncio" to Albania. Ellero, Elpidio. "Nigris, Leone Giovanni Battista". Dizionario Biografico dei Friulani (in Italian)
Lucchesi, Giovanni (15 May 1961). "Sant' Ellero (Ilaro) di Galeata". Enciclopedia dei santi [Encyclopedia of Saints]. Instituto Giovanni XXIII nela Pontifica
July 1039 the Abbess Itta of the convent of Saint Ellero donated the land in Vallombrosa to S. Giovanni Gualberto but to maintain them had to add a farm
Valle, Carassone, Altipiano, Borgato and Rinchiuso, lower, next to the Ellero stream, developed from the 18th century when industries developed in Mondovì