Buainain, N.; Brito, G. R. R.; Firme, D. H.; Figueira, D. M.; Raposo, M. A.; de Assis, C. P. Taxonomic Revision of Saffron-Billed Sparrow Arremon flavirostris Swainson, 1838 (Aves: Passerellidae) With Comments on Its Holotype and Type Locality. Zootaxa 2016, 4178, 547–567.