- Shoghi Effendi. Universal House of Justice, comp. Call to the Nations (1977). Selections from the writings of the Guardian chosen by the Universal House of Justice, offered as guidance at a "critical juncture" of humankind in a dark period of its history, but with a glorious day on the horizon.
- Shoghi Effendi. Universal House of Justice, comp. Llamado a las Naciones (1977). Spanish translation of Call to the Nations, selected writings of Shoghi Effendi.
- Shoghi Effendi. Nosheen Shabani, comp. ندا باهل عالم (Neda be-ahle allam): "Call to the Nations" audio. Audio of Call to the Nations, read by a group of Bahá'ís from Canada, Australia, Kuwait, and Iran, produced by Nosheen Shabani.
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