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^Sharpe, R.B. (1877). Catalogue of the Birds in the British Museum. Volume III. Catalogue of the Passeriformes, or Perching Birds, in the Collection of the British Museum. Coliomorphae, Containing the Families Corvidae, Paradiseidae, Oriolidae, Dicruridae, and Prionopidae. London: Trustees of the British Museum. doi:10.5962/bhl.title.8233.