Zimmer, Herman
A Fraudulent testament devalues the Bahai religion into political shoghism
World Union for Universal Religion and Universal Peace, Free Bahais, 1973
 Buku Teks SO
Collins, Williams P.
Bibliography of English-language works on the Babi and Bahai faiths : 1844-1985
George Ronald, 1990
 Buku Referensi
Bowers, Kenneth E.
God speaks again : an introduction to the Baha'i faith
Baha`i, 2004
 Buku Teks SO
Medina, John Fitzgerald
Faith, physics, and psychology : rethinking society and the human spirit / John Fitzgerald Medina.
Bahai, 2006
 Buku Teks SO
Ensiklopedi Islam / EditorKafrawi Ridwan
Ictiar Baru Van Hoeve, 1994
 Buku Teks