1. British Standard 3724. Glossary of Terms Relating to Fibre Ropes and Cordage. London: British Standards Institution, 1964.
2. British Standard 4928. Specification for Polypropylene Rope. London: British Standards Institution, 1973.
3. Identification of Vegetable Fibres;Catling,1982
4. Identification of Textile Materials. Manchester: The Textile Institute, 1970.