This collection contains the papers of David M. Levy, a child psychiatrist who introduced the Rorschach test to the United States, was Chief of Staff at the New York Institute for Child Guidance, coined terms such as “sibling rivalry” and “maternal overprotection," and is credited with originating “activity play therapy,” in which children are encouraged to act out their emotions through play. The collection has 3 series: Personal Materials, General Correspondence, and Research Papers and Files, which has the sub-series Research Papers 1920s, Research Files 1930s and 1940s, Research Files 1940s and 1950s, Maternal Feelings, Maternal Overprotection/Rejection, Sibling Rivalry, Attitude Study, Kips Bay Attitude Study, Needle Study, Rorschach, Levy Movement Blots, Nazi Studies Information Control Division, Nazi Studies, Nazi Studies Postwar Germany, Tulane University, Society for Research in Child Development, Smith College Student Theses Reports of studies done at Institute for Child Guidance 1929-1932, Miscellaneous Research Files, and Miscellaneous Test Materials.

This collection contains materials gathered by the Marie Louise Schoelly Sherwin estate. Marie Louise Schoelly was a clinical psychiatrist who specialized in Child Psychiatry, a priest at the Church of the Holy Trinity, an associate professor at Cornell Medical College, and a historian actively involved in the History of Psychiatry Section. The endowment from Schoelly’s estate contributed to research in the Department of Psychiatry at New York Hospital-Cornell Medical Center. This collection has three series: Published Writings, Research, and Bibliographic Records. Research has two subseries: Notes and Classification.

This collection contains the papers of Samuel Kahn, a psychiatrist, psychoanalyst, clinician, and author. The collection has 5 series: Lectures, Dynamic Psychological Society (DPS), Quakerbridge School and Camp, Printed Materials, and Writings.