Ernst Hartert: Dr. E. Hartert exhibited examples of the following new species and subspecies of birds, which he described as follows. In: Bulletin of the British Ornithologists' Club. Band25, Nr.3, 1909, S.9–10 (biodiversitylibrary.org).
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Louis Pierre Vieillot: Analyse d'une nouvelle ornithologie élémentaire. Deterville, De L'Imprimerie DE A. Belin, Paris 1816, S.46 (books.google.de).
