Mathews, G.M. 1933. On the name of the Boobook Owl and on the genera Emblema and Paranectris. Ibis 3
3: 353 [Mathews, G.M. 1925.
The Birds of Australia. Supplements 4 & 5. Bibliography of the Birds of Australia Pts 1 & 2. London : H.F. & G. Witherby viii 149 pp.]
