Iyengar, B. 1998. "The hair follicle is a specialized UV receptor in human skin?" Bio Signals Recep. 7 (3): 188–94. doi:10.1159/000014544. PMID 9672761. S2CID 46864921.
Jablonski, N. G. 2006. Skin: a natural history. Berkeleiae Californiae: University of California Press.
Rogers, Alan R., David Iltis, et Stephen Wooding. 2004. "Genetic variation at the MC1R locus and the time since loss of human body hair." Current Anthropology 45 (1): 105–108. doi:10.1086/381006.
Tishkoff, S. A., E. Dietzsch, W. Speed, A. J. Pakstis, J. R. Kidd, K. Cheung, B. Bonne-Tamir, A. S. Santachiara-Benerecetti, et al. 1996. "Global patterns of linkage disequilibrium at the CD4 locus and modern human origins." Science 271 (5254): 1380–87. Bibcode:1996Sci...271.1380T. doi:10.1126/science.271.5254.1380. PMID 8596909. S2CID 4266475.
Valković, Vlado. 1988. Human Hair. Boca Raton Floridae: CRC Press. ISBN 0849348625.