BERNER, Wolfram; KNUPFER, Hans-Joachim. Friedliche Kriegslok und sächsische Oberschwäbin: die Dampflokomotive 99 651. Rundbrief, [S. l.], n. 23, p. 27–29, 2017. DOI: 10.53458/rb.vi23.5193. Disponível em: https://journals.wlb-stuttgart.de/index.php/rb/article/view/5193. Acesso em: 5 mar. 2026.