- Divine Virtues and Spiritual Qualities: A Compilation from Sacred Texts, by WellSpring International Educational Foundation for the Study and Application of the Sacred Texts (2003). — Comprehensive exploration of 77 virtues and qualities drawn from the texts of various religions.
- Excellence in all Things, by Bahá'u'lláh, Abdu'l-Bahá, Shoghi Effendi (1991).
- La poursuite de l'excellence, by William S. Hatcher (2008). — Fireside talk.
- 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).
- Pursuing Excellence, by Barney Leith (2001 Autumn). — What is excellence, is it ineffable, how do we recognize it, and how might we pursue it?
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