ERNST, Albrecht; GRÜNERT, Regina. Die Anfänge der Freimaurerei in Württemberg. Rundbrief, [S. l.], n. 23, p. 19–22, 2017. DOI: 10.53458/rb.vi23.5191. Disponível em: https://journals.wlb-stuttgart.de/index.php/rb/article/view/5191. Acesso em: 5 mar. 2026.