Romera Tébar, Cristina. “The Work of Minors in the Exploitation of Sulfur in Las Minas (Hellín, Albacete)”. Ería 41, no. 2 (June 21, 2021): 177–205. Accessed November 9, 2026. https://reunido.uniovi.es/index.php/RCG/article/view/15968.