- Ages and Cycles, by Moojan Momen (1995). — Overview of the ideas of specific cycles and periods of time in Baha'i belief.
- Covenant Library: Bahá'í Dates Calendar, Bahá'í World Centre, comp, Covenant Library, comp. (2024). — Tables and charts of: Baha'i Holy Days 2025-2064; Baha'i months and years with their Gregorian conve...
- Explanation of a Zoroastrian Prophecy: Length of the "Bahá'í Cycle", by Karl Weaver (2017). — Review of certain concepts in Judaism, Christianity, Islam, ancient astrology, and modern astronomic...
- Half Million Years, A, by Dana Paxson (2021). — Exploring the 500,000-year Baha’i cycle asserted by Shoghi Effendi, in two versions: academic-styl...
- Progressive Revelation, by John Ferraby (1954/1966). — Short pamphlet on the oneness of religion, Messengers of God, and the religious cycle.
- Universal Cycles, The, by Abdu'l-Bahá, Shoghi Effendi, Universal House of Justice, Iscander Micael Tinto, comp. (2013). — Lengthy compilation on the cycles of time and eras in the world of existence, and stages of Baha'i d...
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