Contains note files created by Bergin on behaviorism, psychoanalytic concepts, behavior change, constructivist psychology, therapy approaches, and other related topics. Materials date from 1960 to 1969.

Contains research files created by Bergin. Topics include gospel principles and therapy, light and human behavior, love and family relationships, spiritual pyschology, and values and religious issues. Materials date from 1977 to 2013.

Contains lectures, correspondence, seminar and symposium addresses, course materials, and evaluations. Materials date from 1970 to 2000.

Contains professional and personal records, correspondence, book production materials, research files, and course notes. Also included are copies of Bergin's numerous publications. Materials date from 1954 to 2013.