TRANGBÆK, Else. De danske kvindegymnastiks fader - Paul Petersen. Forum for Idræt, [S. l.], v. 5, n. 1, 1989. DOI: 10.7146/ffi.v5i0.31882. Disponível em: https://tidsskrift.dk/forumforidraet/article/view/31882. Acesso em: 6 dec. 2025.