- Formative Age of Our Faith, Significance of the, by Shoghi Effendi. Universal House of Justice, Research Department, comp. (1991).
- Insights from the First Century of the Formative Age, Some, by Paul Lample. (2013). On the Covenant from a historical perspective; authority and powers of the UHJ; learning within an evolving framework for action; organic growth and development; relationships among individuals, communities, and institutions; and society-building power.
- Messages from the Universal House of Justice 1963-1986: Third Epoch of the Formative Age, by Universal House of Justice. Geoffrey W. Marks, comp. (1996).
- Quinta Epoca de la Edad Formativa de la Fe, Anuncio de la, by Universal House of Justice. Cortesía, trans. (2001-01-16).
- Reflections on the First Century of the Formative Age, by Universal House of Justice. (2023-11-28). Overview of the Faith's developments and activities during the previous century, including the Guardianship, global expansion, community building and development, participation in societal discourse, and construction of the Bahá'í World Centre.
- Six-Year Plan, 1986, by Universal House of Justice. (1986). Outline of Bahá'í goals for 1986-1992, and collection of letters from the House.
- Universal House of Justice Letter Dated 28 November 2023, The: A Study Guide, Eric Michot, comp. (2023-12-08). In-depth exploration of the document "Reflections on the First Century of the Formative Age." Includes the letter and study questions by paragraph.
- Universal House of Justice Letter Dated 28 November 2023, The: A Study Guide, Ehsan Bayat, comp. (2024-01). Study guide of the document "Reflections on the First Century of the Formative Age." Includes the letter, an outline and study questions and answers by paragraph.
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