GORDON PERRY, A. ‘Abdu’l-Bahá in the West: A Biographical Guide of the People Associated with His Travels. The Journal of Bahá’í Studies, Ottawa, Ontario, Canada, v. 25, n. 3, p. 105–107, 2015. Disponível em: https://journal.bahaistudies.ca/online/article/view/363. Acesso em: 18 aug. 2022.