Pastore Maremmano-Abruzzese

"They have a traditionary reverence for the name of their countrymen Ovid, but, like the poor Neapolitans who believe that Virgil was a great magician..."

"Marcus Terentius Varro (116–27 BC), De re rustica, Book II:9:"

"Lucius Junius Moderatus Columella (4 – ca.70 AD), De re rustica, Book VII, xii–xiii:"

"[s.n.], (1833) 'The Shepherds of the Abruzzi', in The Penny Magazine"

"MacDonell, Anne, Amy Atkinson (ill.) (1907) In the Abruzzi New York: F.A. Stokes p. 18"