Paynter, Raymond A. Jr, ed. (1986). Check-List of Birds of the World. Vol. 12. Cambridge, Massachusetts: Museum of Comparative Zoology. p. 62.
doi.org
Mlíkovský, Jiří (26 August 2011). "Nomenclatural and taxonomic status of bird taxa (Aves) described by an ornithological swindler, Josef Prokop Pražák (1870–1904)". Zootaxa. 3005 (3005): 45–68. doi:10.11646/zootaxa.3005.1.2.