Mayr, Gerald(2003):The phylogenetic affinities of the Shoebill(Balaeniceps rex). Journal fur Ornithologie144(2):157-175. [English with German abstract] HTML abstract
Hagey, J. R.; Schteingart, C. D.; Ton-Nu, H.-T. & Hofmann, A. F.(2002):A novel primary bile acid in the Shoebill stork and herons and its phylogenetic significance. Journal of Lipid Research43(5):685?690. PDF fulltext
UNEP (2017). Balaeniceps rex. The Species+ Website. Nairobi, Kenya. Compiled by UNEP-WCMC, Cambridge, UK. Available at: www.speciesplus.net. (Accessed 22/07/2017)