- Lights of Guidance: A Bahá'í Reference File, by Bahá'u'lláh, Abdu'l-Bahá, Shoghi Effendi, Universal House of Justice Helen Bassett Hornby, comp. (1988). — The classic Baha'i reference book. This is its first online edition.
- Lights of Guidance (second part): A Bahá'í Reference File, by Bahá'u'lláh, Abdu'l-Bahá, Shoghi Effendi, Universal House of Justice Helen Bassett Hornby, comp. (1988). — Part 2 of the classic Baha'i reference book. This is its first online edition.
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