APINE, Rita. Activities of Āgenskalns Gymnastics and Sports Society and Its Headquarters at 7 Baldones Street. History of Engineering Sciences and Institutions of Higher Education, Riga, Latvia, v. 5, p. 31–64, 2021. DOI: 10.7250/HESIHE.2021.003. Disponível em: https://hesihe-journals.rtu.lv/hesihe/article/view/HESIHE.2021.003.. Acesso em: 6 mar. 2026.