DAHL, R. Review of Bibliography of English-Language Works on the Bábí and Bahá’í Faiths 1844-1985 by William P. Collins. The Journal of Bahá’í Studies, Ottawa, Ontario, Canada, v. 3, n. 3, 1991. DOI: 10.31581/jbs-3.3.7(1991). Disponível em: https://journal.bahaistudies.ca/online/article/view/56. Acesso em: 5 aug. 2021.