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Theodore and Ruth Lidz papers

Call Number: MS 895
Scope and Contents

The papers consist of correspondence, writings, and data files documenting the professional careers of Ruth and Theodore Lidz. The papers focus on their professional lives, particularly from the 1950s to the 1980s, highlighting the Lidzes' study of the importance of the family environment in cases of schizophrenia.

Conditions Governing Access

Letters of recommendation in box 14 are closed for seventy-five years from the date of creation as established by Yale Corporation regulations.

Research data in boxes 28-45 is closed for seventy-five years from the date of creation (2011-2060).

Conditions Governing Use

Copyright for unpublished materials authored or otherwise produced by Theodore and Ruth Lidz has been transferred to Yale University. These materials may be used for non-commercial purposes without seeking permission from Yale University as the copyright holder. For other uses of these materials, please contact

Copyright status for other collection materials is unknown. Transmission or reproduction of materials protected by U.S. Copyright Law (Title 17, U.S.C.) beyond that allowed by fair use requires the written permission of the copyright owners. Works not in the public domain cannot be commercially exploited without permission of the copyright owners. Responsibility for any use rests exclusively with the user.

Immediate Source of Acquisition

Gift of Theodore Lidz, 1978 and 1995-1996; and of the estate of Theodore Lidz, 2001.


Arranged in five series: I. Ruth Lidz Papers, 1938-1995, n.d. II. General Files, 1939-2000, n.d. III. Writings and Research, 1936-2000, n.d. IV. Teaching, 1947-1972, n.d. V. Personal, 1927-2001, n.d.

20 Linear Feet
Related Names
Lidz, Theodore
Language of Materials