Hacker, Barton C. / Vining, Margaret: Before the Great War: The Appearance of Women in Uniform, 1854-1914, in: Hacker, Barton C. / Vining, Margaret (eds.): Cutting a new pattern: uniformed women in the Great War (A Smithsonian Contribution to Knowledge), Washington 2020 Smithsonian Scholarly Press, pp. 1-14.