Ambrosini, Alessandra, et al. “Typus Melancholicus from Tellenbach up to the Present Day: A Review about the Premorbid Personality Vulnerable to Melancholia”. Actas Españolas De Psiquiatría, vol. 39, no. 5, Sept. 2011, pp. 302-11, https://actaspsiquiatria.es/index.php/actas/article/view/777.