Wearing a Dutch costume Archived 2016-03-08 at the Wayback Machine, instructions for making iconic hat out of paper for a child's dress-up costume. http://www.hvanrossum.com/costume.html ↩
St. Luke's Hospital School of Nursing Historical Review Archived 2020-12-02 at the Wayback Machine, referring to the more usual style of nurse hat as a "traditional Dutch cap". http://slhson.org/history.html ↩