“…This fact marked the history of education and preparation of the former leaders of the ABEn for positions of leadership, in several health areas, after receiving training in education institutions such as the University of Toronto, Canada (Oguisso, 2002(Oguisso, , 2003 and the University of Philadelphia in the USA (Anonymous, 2002;Oguisso, Freitas, & Takashi, 2013), as well as after completing traineeships and financed courses at renowned institutions in the USA (Borenstein, Padilha, Caetano, & Mancia, 2004), France and Canada, in addition to post-graduation courses in Nursing Administration and Teaching (Oguisso, 2002;Oguisso et al, 2013) in New York, USA, and the Master's Degree at the University of Columbia, in the USA (Oguisso, 2002(Oguisso, , 2003. This phenomenon occurred mainly after 1922, with the creation of the Nurses' Service of the National Public Health Department, followed by the foundation of the Anna Nery Nursing School (EEAN) in 1923, and continued until 1933, with the creation of the Nursing School Carlos Chagas (EECC; Furukawa, 2009). We would like to underline that, between 1920 and 1960, the nurses who excelled in their courses or professional activities in Brazil were also sent to study in the abovementioned countries with the purpose of preparing them for managing schools and nursing services in public health institutions, which were positions of great responsibility, and, gradually, The inclusion criteria of the primary sources were as follows: Being written in Portuguese, being available in full-text online or in printed form, being stored in research centers available for consultation, and addressing the exercise of leadership by the nurse leaders under study.…”