- Biblical References in Baha'i Writings. Marian Lippitt, Peter Terry, ed. (1955/2016). Correlation between verses of the Bible and references to these verses in Bahá'í literature, including published pilgrim notes. In Excel format. Resources.
- Reality, Soul, and the Worlds of God. Marian Lippitt, comp, J. Michael Kafes, ed. (1968 / 2004). Lengthy compilation organized to set forth an ontological and cosmological paradigm of all existence or reality. Compilations-personal.
- Round Table Discussions. Marian Lippitt (published as Marian Crist Lippitt) (1950/1972). Notes for seven discussion topics, with reference numbers for The Divine Art of Living. Compilations-personal.
- Worlds of God: Basic Classifications of Existence as Defined in the Bahá'í Writings: A Compilation. Marian Lippitt, National Reference Library Committee of The National Spiritual Assembly of the Bahá'ís of the United States, comp. (1966 / 1950s-1985). Comprehensive set of notes and cross-references intended to analyse the nature of reality according to Bahá'í categories: the world of Deity, the world of Prophethood, the world of servitude; a subject index to Bahá'í-related topics. (Offsite links.) Bibliographies.
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