Calderini goes on to identify Brotheus with Erichthonius. The scholia and Renaissance commentaries are discussed at length in Peter Burman's 1727 edition of the Ibis, p. 130 online.
Lilius Gregorius Gyraldus, De poetis nostrorum temporum 25 (Berlin, 1894), Wotke p. 20 online,; Paul Cortese (Paulus Cortesus), De hominibus doctis dialogus in the edition of Gabriel Richards (Florence, 1734), p. 49 online; Friedrich Gotthilf Freytag, Adparatus litterarius (Leipzig, 1753), vol. 2, p. 1378 online; W. Parr Greswell, Memoirs of Angelus Politianus (Manchester, 1805), p. 83 online; David Clément, Bibliothèque curieuse historique et critique (Leipzig, 1756), vol. 6, p. 56 online; Maurizio Campanelli, Polemiche e filologia ai primordi della stampa: le Observationes di Domizio Calderini (Rome 2001), pp. 21–26 limited preview online. For further discussion of this literary feud, see Angelo Sabino.
"Brotheus, the son of Vulcan, because he was ridiculous for his imperfections, flung himself into the fire," viewable in an 1875 edition, p. 587 online; see also J.B. Bamborough with Martin Dodsworth, Robert Burton: The Anatomy of Melancholy, (Oxford: Clarendon Press, 2000), vol. 5, p. 30 online, citing I.369:25–6,y.
Johnson's Dictionary of the English Language in Miniature 16th edition (London, 1805), pp. 248–249 online and 19th edition (London, 1812), p. 253 online.
Mike Ladd, "Anakhronismos" 16, in Rooms and Sequences (Salt, 2003), p. 21 online.