Nixon, L. (1983). Meditation as a means of actualizing the religious personality ideal: A review of empirical research from the perspective of Kazimierz Dąbrowski's TPD. Unpublished master's thesis, Concordia University, Montreal, Quebec.
Nixon, L. (1989). Maladjustment and Self-Actualization in the Life of Teresa of Avila. Studies in Religion, 18:283-295. https://doi.org/10.1177/000842988901800304
Nixon, L. (1990). The mystical struggle: A psychological analysis. Unpublished doctoral dissertation, Concordia University, Montreal, Quebec.
Nixon, L. (1994). Multilevel disintegration in the lives of religious mystics. Advanced Development, 6, 57-74.
Nixon, L. (1994). Mystical Stages and Personality Development. Paper presented at the Dąbrowski Symposium, Keystone, Colorado, June 10.
Nixon, L. (1994). Overexcitabilities and Related Research Findings. Dąbrowski Newsletter, October. "
Nixon, L. (1995). A Hindu Swami's Description of His Experience at Level V. The Dąbrowski Newsletter, 2(1).
Nixon, L. (1996a). Factors Predispositional of Creativity and Mysticism: A Comparative Study of Charles Darwin and Therese of Lisieux. Advanced Development, 7:81-100.
Nixon, L. (1996b). Some Examples of Intellectual Overexcitability from Mystical Autobiographies. The Dąbrowski Newsletter, 2(3).
Nixon, L. (1996c). A Dąbrowskian perspective on the practice of meditation. In W. Tillier (Ed.), Perspectives on the self: The second biennial conference on Dąbrowski's theory of positive disintegration. (pp.174-198). Unpublished Manuscript. (Proceedings from the second biennial conference on Dąbrowski's theory of positive disintegration May 22-25, 1996 Kananaskis, Alberta, Canada.)
Nixon, L. (1997). Varieties of Personality Integration. The Dąbrowski Newsletter, 4(1).
Nixon, L. (1998). LSD and Level of Personality. The Dąbrowski Newsletter, 4(2).
Nixon, L. (1998). The developmental function of loss the theory of positive disintegration. In C. M. Ackerman (Ed.), Texturizing and Contextualizing: Proceedings from the 3rd International Symposium on Dąbrowski's Theory (pp. 120-135). Unpublished Manuscript. (The Third Biennial Conference on Dąbrowski's Theory of Positive Disintegration. July 10-12, 1998. Location: Kendall College, Evanston IL.).
Nixon, L. (1998). William James as a Precursor of Dąbrowski. Dąbrowski Newsletter, 4(4).
Nixon, L. (1999a). Intellectual Overexcitability in Mystical Lives. The Dąbrowski Newsletter, 5(3).
Nixon, L. (1999b). Kazimierz Dąbrowski's View of Asceticism. The Dąbrowski Newsletter, January, 5(2).
Nixon, L. (2000a). A Dąbrowskian Analysis of a Japanese Buddhist Nun. The Dąbrowski Newsletter, 6(2).
Nixon, L. (2000b). Psychic Spasmophilia and Mystical Experience. In N. Bouchet, & J. Toth (Eds.), The Labyrinth: Safe Journey and Homecoming (pp. 213-222). Unpublished Manuscript. (Proceedings from the Fourth Biennial Advanced Symposium on Dąbrowski's Theory. July 6-9, 2000. Location: Mont-Tremblant, Quebec, Canada.).
Nixon, L. (2002). Dąbrowski's critique of Asian religions. In N. Duda, (Ed.), Positive Disintegration: The Theory of the future. 100th Dąbrowski anniversary program on the man, the theory, the application and the future (pp. 65-90). Ft. Lauderdale, FL: Fidlar Doubleday. [The Proceedings from the Fifth International Conference on the Theory of Positive Disintegration, held in Ft. Lauderdale, FL., November 7 - 10, 2002.]
Nixon, L. (2004). A Dąbrowskian Analysis of the Ten Oxherding Pictures Presented at the The Sixth International Congress of the Institute For Positive Disintegration in Human Development June 24-26, 2004 Calgary, Alberta, Canada.
Nixon, L. (2005). Potential for Positive Disintegration and IQ. The Dąbrowski Newsletter, 10(2).1-5.
Nixon, L. F. (2008). Personality disintegration and reintegration in mystical lives. In S. Mendaglio (Ed.). Dąbrowski's Theory of Positive Disintegration (pp. 203-226). Scottsdale AZ: Great Potential Press, Inc.
Nixon, L. F. (2010). Individual identity and union with the Absolute: An analysis of Dąbrowski’s critique of Asian religions, Advanced Development, 12, 49-67.
Nixon, L. F. (2012). The function of mystical experiences in personality development. Advanced Development, 13, 42-67.
Nixon, L. F. (2016). Creativity and Positive Disintegration. Advanced Development, 15, 12-32.