Belloni Filippi, F. Rec. S. śāntinātha, Sādhāna, or Spiritual Discipline. Its Various Forms, Poona 1938. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI LETTERE E FILOSOFIA, 8(3), 330-331. Recuperato da https://journals.sns.it/index.php/annalilettere/article/view/1304