Thematic Apperception Test.

The Christiana Morgan papers, 1925-1974, document the life of Christiana Drummond Morgan, a lay (non-credentialed) analyst at the Harvard Psychological Unit, who co-authored the Thematic Apperception Test with Henry Murray. Diaries, writings, and correspondence describe her work and relationship with Murray.

David G. Winter (born 1939) is a Professor of Psychology (emeritus) at the University of Michigan. David C. McClelland (1917-1998), was a psychology professor at Harvard University (1956-1987) and known for his wide-ranging research on personality and motivation. The collection consists chiefly of biographical materials from the 1920s to 2012 about David C. McClelland compiled by David G. Winter, a former student, colleague, and research associate of McClelland.