This document contains a list of 27 references on the topic of headaches and migraines. Some of the references are books on neurology, headache management, and nursing care. Other references are journal articles that discuss the epidemiology of headaches, menstrual migraines, risk factors like obesity, and the relationship between sex hormones and headaches. The references were published between 2009 and 2017 and cover topics like the prevalence of migraines in university populations, new theories of migraine pathogenesis, and the impact of menstrual cycle phases on migraine occurrence.