This collection documents the research and writings of John H. Peatling, a Yale Divinity School alumnus. Peatling was a specialist in empirical psychology and statistics. He was particularly interested in the cognitive development of religious and moral thinking. He worked for the Character Research Project at Union College from 1971 until the early 1980s, first as the Assistant Director, then as the Director of Basic Research. John Peatling and John Hull founded the International Seminar on Religious Education and Values, in 1977, with the first meeting taking place in Birmingham, England in 1978 and the second meeting at Union College in Schenectady, New York in 1980. The collection is primarily comprised of his writings, research data and tools, and material regarding the International Seminar on Religious Education and Values (ISREV).