Found in articles
Peter Smith: The Bahá’í Faith. A Short History, Oneworld Publications, Oxford, 1999, ISBN 978-1-85168-208-9 Robert Stockman: Bahá’í Faith, Thomas Riggs,
Charles Hellaby
"My Faith". Charles Hellaby home page (in Engels). Geargiveer vanaf die oorspronklike op 10 Julie 2015. Besoek op 24 Desember 2016. "Bahá'í Faith Emily
Bahai Faith to the Bahais of Germany and Austria. Hofheim-Langenhain: Bahai-Verlag. p. 229. ISBN 3-87037-145-5. (en) "Architecture of the Bahá'í House
egter eers ná 1820 in groter getalle aangekom. Die Bahá'í-geloof is in 1911 bekendgestel. Die Bahá'í gemeenskap het besluit om die lidmaatskap van hulle
Lights of Guidance: A Bahá'í Reference File. Bahá'í Publishing Trust, New Delhi, Indië. ISBN 81-85091-46-3. Bl. 491. Bahá'í Apocalypticism: The Concept