Includes photographs of Division of Cardiology staff, fellows, and residents. Also includes graphs, maps, and raw data charting personal and professional information regarding residents, fellows, publications, and Division of Cardiology milestones. These materials were collected as part of the research and publication preparation for Dr. Greenfield's books on the history of the Duke Cardiology Training Fellows program. File types include images (TIFF, JPG, and Photoshop images); PDF; AI files; EPS files; a Data Base file; and Microsoft PowerPoint and Word. The AI and EPS files can be opened using the Adobe Acrobat Document Application. The original carriers for these files were DVDs. The digital files date from 2003 to 2010, with original material also dating from 2003 to 2010.