Correspondence with a wide variety of collectors, including Michael Alster, Mike Canary, Bertram M. Cohen, Jerry Cohen, Myles Gerson, Michael B. Levin, Jim Roeker, Wesley A. Russell, Jim Sahol, John Samuels, Raymond Smith, and Stanley Steinberg.
Full Title: "Preliminary Writeups of Roger Cohen Sale by Frank Wilkinson and Mike Packard (With Additional Grading by Jim McGuigan). Part I: 1793-1804." Date approximate.
Full title, as written by Tettenhorst: "Preliminary Writeups of Roger Cohen Sale: Summary, Pedigrees, and Part I (Duplicate) 1793-1804, with My Preliminary Notes and Jim Matthews Correspondence".
