Shams, Badi, author
Bahai, 2001
Buku Teks
Collins, Williams P., author
George Ronald, 1990
Buku Referensi
Zimmer, Herman
World Union for Universal Religion and Universal Peace, Free Bahais, 1973
Buku Teks
Bowers, Kenneth E., author
Baha`i, 2004
Buku Teks
Medina, John Fitzgerald
Bahai, 2006
Buku Teks