1. Hartert, E. (1930). List of birds collected by Ernst Mayr. Novitates Zoologicae 36(1):27–128.
2. Gmelin, J. F. (1788). Caroli a Linné Systema Naturae. Thirteenth edition, Volume 1. George Emanuel Beer, Leipzig, Germany.
3. BirdLife International (2023) Species factsheet: Charmosyna papou. Downloaded from http://www.birdlife.org on 10/09/2023.
4. Phylogenomic Analysis of the Parrots of the World Distinguishes Artifactual from Biological Sources of Gene Tree Discordance
5. del Hoyo, J., and N. J. Collar (2014). HBW and BirdLife International Illustrated Checklist of the Birds of the World. Volume 1. Non-passerines. Lynx Edicions, Barcelona, Spain.