Steinheimer, F. D. “The Type Specimens of Paradisaeidae, Cnemophilidae and Ptilonorhynchidae (Aves) in the Museum für Naturkunde of the Humboldt-University of Berlin”. Zootaxa, vol. 1072, no. 1, Oct. 2005, pp. 1–25, doi:10.11646/zootaxa.1072.1.1.