1. Alvarez, L. (2004). Spreading Scandinavian genes, without viking boats. New York Times 154. Available online: https://www.nytimes.com/2004/09/30/world/europe/spreading-scandinavian-genes-without-viking-boats.html. Accessed 19 April 2019.
2. Blake, L., Jadva, V., & Golombok, S. (2014). Parent psychological adjustment, donor conception and disclosure: A follow-up over 10 years. Human Reproduction, 29, 2487–2496.
3. Blizzard, J. (1977). Blizzard and the holy ghost. London: Peter Owen.
4. Blyth, E., Crawshaw, M., Frith, L., & van den Akker, O. (2017). Gamete donors’ reasons for, and expectations and experiences of, registration with a voluntary donor linking register. Human Fertility, 20, 268–278.
5. Brown, H. (2010). Jackie Kay: Interview. The Telegraph, 5 June 2010. Available online: https://www.telegraph.co.uk/culture/books/7800799/Jackie-Kay-Interview.html. Accessed 19 Apr 2019.