1. ANON, Du Pont de Nemours International S.A. 1961, Geneva, Technical Information Bulletin X-156, Identification of Fibres in Textile Materials.
2. ANON, Textile Institute, Identification of Textile Materials, 1951.
3. ANON, Textile World, 1959, Man-made Fibre Table—Revision.
4. ANON, Textile World, 1960, Man-made Fibre Table—Supplement.
5. Clayton, E., 1937, Identification of Dyes on Textile Fibres. Soc. Dyers and Colourists.