Andreasen NC (October 1987). "Creativity and mental illness: prevalence rates in writers and their first-degree relatives". The American Journal of Psychiatry. 144 (10): 1288–92. doi:10.1176/ajp.144.10.1288. PMID3499088.
Ludwig AM (November 1994). "Mental illness and creative activity in female writers". The American Journal of Psychiatry. 151 (11): 1650–1656. doi:10.1176/ajp.151.11.1650. PMID7943456.
Andreasen NC (October 1987). "Creativity and mental illness: prevalence rates in writers and their first-degree relatives". The American Journal of Psychiatry. 144 (10): 1288–92. doi:10.1176/ajp.144.10.1288. PMID3499088.
Ludwig AM (November 1994). "Mental illness and creative activity in female writers". The American Journal of Psychiatry. 151 (11): 1650–1656. doi:10.1176/ajp.151.11.1650. PMID7943456.