R. K. Outlaw

Pliocene forest dynamics as a primary driver of African bird speciation.

R. Bowie, G. Voelker, R. K. Outlaw, 2010 .

A New Species of Boubou (Malaconotidae: Laniarius) from the Albertine Rift

S. Reddy, S. Hackett, J. Bates, 2010 .

Establishing a perimeter position: speciation around the Indian Ocean Basin

G. Voelker, R. K. Outlaw, Robert K. Outlaw, 2008, Journal of evolutionary biology.