1. Production of a friable meal from feathers;Binkley,1950
2. The Amino Acid Composition of Proteins and Foods;Block,1951
3. The amino acid content of some sclero-proteins;Graham;J. Biol. Chem.,1949
4. The digestion of keratin, especially the horny material of birds' feathers, by fowls and mammals;Mangold;Wiss. Arch, Landw., Abt. B., Tierernahr. Tierzucht,1930
5. Naber, E. C., and C. L. Morgan, 1955. Feather meal as a poultry feedstuff. Proc. Assoc. So. Agr. Workers, 52nd Ann. Conv., Feb., 1955, pp. 159–160.