1. Quoted in “Florence Nightingale: Adelaide Nutting's Introduction,” www.countryjoe.com/nightingale/nutting.htm.
2. Florence Nightingale, wax cylinder recording, 1890, www.mediathek.at/frauenstimmen/bis-1918/soziale-und-politische-oeffentlichkeit/.
3. Kristin Skoog, “An Interview with Maria DiCenzo,” Westminster Papers 8, no. 3 (December 2011): 11–24, www.westminster.ac.uk/__data/assets/pdf_file/0004/124879/ 003An-interview-with-Maria-Dicenzo-Kristin-Skoog.pdf.
4. As identified by Peter Lewis and Jerry Booth, The Invisible Medium: Public, Commercial and Community Radio (London: Macmillan, 1989); Peter Lewis, “Private Passion, Public Neglect: The Cultural Status of Radio,” International Journal of Cultural Studies 3, no. 2 (August 2000): 160–67; and Andrew Crisell, Understanding Radio, 2nd ed. (London: Routledge, 1994).
5. Anne Karpf, “Women and Radio,” in Women and Media, ed. Helen Baehr (London: Pergamon Press, 1980), 41–54, 42.