Unification Philosophy
Brunnschhweiler, Peer-Martin. "Aspects and Principles of Unification Education." 1989, 68 pp.
Burton, David. "Illumination and Universal Prime Force: Augustine and Unification Thought." 1990, 124 pp. (see also Comparative Studies)
Haines, William. "Spontaneous Order and Unificationism." 1992, 230 pp.
Fleming, James Rodger. "General Systems Theory: A Unificationist Perspective." 1982, 52 pp.
McKnew, Elizabeth. "Relationality within Unification Theology and Process Thought." 1987. (see also Comparative Studies)
Perottet, Claude. "How God Can Be Creator of a Material World: A Selective Survey of Western Philosophical Viewpoints and Attempted Solutions." 1999, 180 pp.
Teshigawara, Hideyuki. "The Economic System in Cheon il Guk." 2007, 153 pp.
Yank, Cliford. "The Knowledge of God" [Unification Metaphysic]. 1989, 135 pp.