- Universal House of Justice. Infallibility and Knowledge of Abdu'l-Baha (1982-04-28). — Abdu'l-Baha's infallibility, authority, and the extent to which his knowledge was historically conte...
- Michael W. Sours, Brent Poirier, Ismael Velasco, Iraj Ayman. Kitáb-i-Íqán, The Book of Certitude: Wilmette Institute faculty notes (1999). — Notes on various topics related to Baha'u'llah's Book of Certitude.
- Universal House of Justice. Letters Written on Behalf of the Guardian (2007). — Three questions: Letters Written on Behalf of Shoghi Effendi; Status of Research Department Memorand...
|