^Schodde, R. 1978. The status of endangered Papuasian birds, and Appendix. In: Tyler, M.J. (ed.), The status of endangered Australasian wildlife, pp. 133-145 and 185-206 respectively. Royal Zoological Society of South Australia, Adelaide.
^Coates, B. J. 1990. The birds of Papua New Guinea, 2: passerines. Dove, Alderley, Australia.
