1. W. T. Astbury and H. J. Woods, “The Molecular Structure and Elastic Properties of Hair Keratin” (Phil. Trans. Roy. Soc., in press); see also:—"X-Ray Analysis of Fibres”, NATURE, 132, 593, Oct. 14, 1933. A simplified account of the elastic properties of hair is given in:— W. T. Astbury, “Fundamentals of Fibre Structures”, Oxford, 1933.
2. J. B. Speakman, pp. 95–109, “The Swelling of Proteins” (Conference of the International Society of Leather Trade's Chemists, 1933); J. Soc. Dyers and Colourists, 49, 180; 1933.