Includes raw data, correspondence drafts, article drafts, and PowerPoints pertaining to Colvin's research on cancer treatment. File tyeps include BK, CMP, DOC, EXP, HAP, IAF, MCW, MK, NVE, PDF, PHA, PPT, SAV, SEA, TXT, W51, WAB, WK1, WPW, and XLS. The original carriers for these files were CDs, Zip files, 3.5-inch floppy disks, and 5.25-inch floppy disks. The digital files date from 1979 to 2009.