==Ornithology==In 1745 he published his" Ornithologiae Specimen Novum, sive Series Avium in Ruscinone, Pyrenaeis Montibus, atque in Galliâ Aequinoctiali Observatarum, in Classes, genera & species, novâ methodo, digesta" at Perpignan.
== Ornitología ==Barrère publicó en 1745 su "Ornithologiae Specimen Novum, sive Series Avium in Ruscinone, Pyrenaeis Montibus, atque in Galliâ Aequinoctiali Observatarum, in Classes, genera & species, novâ methodo, digesta" en Perpiñán.