Williams, E.A. Time-series analysis : a comprehensive introduction for social scientists, 1981: t.p. (John M. Gottman)

His Two-part harmony, 1994: CIP t.p. (John Gottman) data sheet (b. 04-26-42)

Staying in love, 2006: credits (John Gottman, clinical psychologist)

WWW, December 4, 2006 (John Gottman; John M. Gottman; Ph.D.; co-founder of the Gottman Institute, director of the Relationship Research Institute, and emeritus prof. at the Univ. of Washington)

Gottman Institute website, viewed September 3, 2019 (World-renowned for his work on marital stability and divorce prediction, John Gottman has conducted 40 years of breakthrough research with thousands of couples. His work on marriage and parenting has earned him numerous major awards. Dr. Gottman was one of the Top 10 Most Influential Therapists of the past quarter-century by the Psychotherapy Networker. He is the author or co-author of over 200 published academic articles and more than 40 books. Co-founder of the Gottman Institute with his wife, Dr. Julie Schwartz Gottman, John was also the Executive Director of the Relationship Research Institute. He is Professor Emeritus of Psychology at the University of Washington, where he founded The Love Lab at which much of his research on couples' interactions was conducted) https://www.gottman.com/about/john-julie-gottman/