P. Alström, P.G.P. Ericson, U. Olsson, P.Sundberg: Phylogeny and classification of the avian superfamily Sylvioidea. Mol. Phylogenet. Evol. 38(2), 2006, S. 381–397. doi:10.1016/j.ympev.2005.05.015
J. Fuchs, J. Fjeldså, R.C.K. Bowie, G. Voelker, E. Pasquet: The African warbler genus Hyliota as a lost lineage in the Oscine songbird tree: Molecular support for an African origin of the Passerida. Mol. Phylogenet. Evol. 39(1), 2006, S. 186–197. doi:10.1016/j.ympev.2005.07.020