- Hermes Trismegistus and Apollonius of Tyana in the Writings of Bahá'u'lláh, by Keven Brown (1997). History of alchemy, magic, and the hermetic arts, and their reflection in the later teachings of Bahá'u'lláh.
- Sabaeans and African-based Religions in the Americas, The, by Universal House of Justice, Research Department (2012). Overview by the Research Department about the religion of the Sabaeans [aka Sabeans], and some indigenous practices in the southern Americas such as Yoruba, Santeria, and Brazilian Candomble.
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