International Union for Conservation of Nature and Natural Resources (IUCN)
The Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES)
Manual of Parrot Behavior by Andrew Luescher
Cockatoos in Aviculture by Rosemary Low
The Essential Cockatoo by Laurie Baker, Stuart Borden
The evolutionary history of cockatoos (Aves: Psittaciformes: Cacatuidae). White NE, Phillips MJ, Gilbert MT, Alfaro-Nunez A, Willerslev E, Mawson PR, Spencer PB, Bunce M.