File Unpublished Materials, 2009 Box 3, Folder 7 Repository Business, Literary, and Local History Manuscripts » Henry T. Hettger Papers, 1976-2016
File "Complete List of Known Lettered Edge Errors/Blunders on Early Large Cents", Undated Box 3, Folder 8 Repository Business, Literary, and Local History Manuscripts » Henry T. Hettger Papers, 1976-2016
File Sold or Published Articles, Undated Box 3, Folder 9 Repository Business, Literary, and Local History Manuscripts » Henry T. Hettger Papers, 1976-2016