Sources:
- BURNHAM, Dorothy (1980). Warp and Weft. A Textile Terminology, Toronto: Royal Ontario Museum, p. 55.
- COATSWORTH, Elizabeth (2012). 'Felt', in Gale Owen-Crocker, Elizabeth Coatsworth and Maria Hayward (eds., 2012). Encyclopedia of Medieval Dress and Textiles of the British Isles, c. 450-1450, Brill: Leiden, pp. 206-207.
GVE