Jean M. Hébert, Thomas Rosenquist, Jürgen Götz, Gail R. Martin: FGF5 as a regulator of the hair growth cycle: evidence from targeted and spontaneous mutations. In: Cell Band 78, Nr. 6, 1994, S. 1017–1025, doi:10.1016/0092-8674(94)90276-3.
C. Drögemüller, S. Rüfenacht, B. Wichert, T. Leeb: Mutations within the FGF5 gene are associated with hair length in cats. In: Animal Genetics Band 38, Nr. 3, 2007, S. 218–221, doi:10.1111/j.1365-2052.2007.01590.x.
James S. Kehler et al.: Four independent mutations in the feline fibroblast growth factor 5 gene determine the long-haired phenotype in domestic cats. In: Journal of Heredity Band 98, Nr. 6, 2007, S. 555–566, doi:10.1093/jhered/esm072.
Andrea Jenssen: Breeding traits and hereditary disorders of the Norwegian forest cat during breed development, Budapest 2012 (Thesis (Diploma work) Universität Budapest 2012, Supervisor: László Zöldág (Volltext - online PDF, kostenfrei, 34 Seiten, 381 kB, englisch)).