WAGNER, Nikolai. What Is Spiritualism? (with a Foreword by V. Razdyakonov). State, Religion and Church, [S. l.], v. 33, n. 4, p. 271–293, 2015. Disponível em: https://state-religion-church.owebs.ru/article/view/10910. Acesso em: 8 nov. 2026.