Literature
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- Brom, T. G. 1991a. The diagnostic and phylogenetic significance of feather structures. Published thesis, University of Amsterdam.
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- Day, M. G. 1966. Identification of hair and feather remains in the gut and faeces of stoats and weasels. Journal of Zoology 148: 201-217.
- Dunning, J. B. Jr. (ed.). 1993. CRC Handbook of Avian Body Masses. CRC Press, Boca Raton, Florida. 371 pp.
- Robertson, J., C. Harkin and J. Govan 1984. The Identification of Bird Feathers. Scheme for Feather Examination. Journal of the Forensic Science Society 24: 85-98.