Shoghi Effendi, The Unfolding Destiny of the British Baha'i Community: The Messages from the Guardian of the Baha'i Faith to the Baha'is of the British Isles. London: Baha'i Publishing Trust, 1981.
Духовные Собрания. Выборы бахаи
Литературные источники
Shoghi Effendi, The National Spiritual Assembly. London: Baha'i Publishing Trust, second edition, 1973. Also Wilmette: Baha'i Publishing Trust, 1972.
Baha'i News Letter, National Spiritual Assembly of the Baha'is of the United States and Canada.