Brues, Charles T. (1950) Large Raptorial Birds as Enemies of Cicadas. Psyche 57:74-76 PDFArkivigite je 2019-07-18 per la retarkivo Wayback Machine
orientalbirdclub.org
Gewers, G. ; E. Curio & S H Hembra (2006) First observation of an advertisement display flight of ‘Steere’s Honey-buzzard’ Pernis (celebensis) steerei on Panay, Philippines. Forktail 22:163-165 PDFArkivigite je 2012-02-26 per la retarkivo Wayback Machine
web.archive.org
Brues, Charles T. (1950) Large Raptorial Birds as Enemies of Cicadas. Psyche 57:74-76 PDFArkivigite je 2019-07-18 per la retarkivo Wayback Machine
Gewers, G. ; E. Curio & S H Hembra (2006) First observation of an advertisement display flight of ‘Steere’s Honey-buzzard’ Pernis (celebensis) steerei on Panay, Philippines. Forktail 22:163-165 PDFArkivigite je 2012-02-26 per la retarkivo Wayback Machine