The Dr. E. Grey Dimond and Mary Clark Dimond China Files contains correspondence, documents, and research materials related to the Dimonds advocacy efforts to bridge relations between the United States and China in the 1970s and 1980s. Their papers include correspondence and documents related to planning and initiating tour groups in China.

The E. Grey Dimond Papers contain correspondence, general office files, publications, and audiovisual materials related to Dimond's professional activities at the University of Missouri-Kansas City's School of Medicine, the University of Kansas School of Medicine, the Scripps Clinic and Research Foundation, and the American College of Cardiology. His personal papers include files related to his early life, his family and household, and his China trips.