1. Blau, Gerda. Les fibres textiles dans le monde. United Nations, For. Agr. Org. 1949.
2. Dewey, Lyster H. Fiber production in the western hemisphere. U. S. Dept. Agr., Misc. Publ. 518. 1943.
3. Turner, A. J. The structure of textile fibres. VIII. The long vegetable fibres. Jour. Textile Inst.40:. 1949.
4. Weindling, Ludwig. Long vegetable fibres. 1947.
5. Wiesner, Julius von. Die Rohstoffe des Pflanzenreiches. 4th ed. 1927.