Virtually all of these pieces differ from their earlier published versions.  Some have been reworked, some have had additional material added, and some are simply as written, before the introduction of typos and unauthorized editorial "improvements".

• The First Sheaffer Pens I: recent discoveries
• The First Sheaffer Pens II: first catalogs, sub-brands
• The First Sheaffer Pens III: Schnell & the pen industry
• A Tale of Two Pencils: who really invented the Eversharp?
• Casein Pens: Most Aren't: think your red pen is casein?
• A Visit with L. E. Waterman
• Waterman's Ink Blot: More on the Birth of a Myth
• Frank D. Waterman's Run for Mayor: NYC 1925
• Wahl Cap Discoloration: Why That Banding?
• Rethinking the Pen Show
• Pen Repair Don'ts: how to steer clear of disaster
• The Manufacture of Overlays: Further Notes: electrodeposition
• Silver for Brass: Some Notes on Wartime Pen Manufacture
• Some Notes on Repair of the Parker 51: vac-fill tips
• Substituting for Special Ink Sacs: standard sacs for Ink Vues and Vacs
• Gregg Shorthand Pens: A New Discovery: Sheaffer pens
• Dreyfuss and the Skyline: why did he effectively disown it?
• Mismatches: don't be too quick to condemn that pen
• An eBay Glossary (humor)