The History and Invention of the Paperclip

Historical references have described the act of fastening papers together for at least 8 centuries, but the paper clip was not invented until 1899.

The Evolution of Useful Things: How Everyday Artifacts-From Forks and Pins to Paper Clips and Zippers-Came to be as They are by Henry Petroski

A Short History of the Toothpick

Paperclips :: Dundee Design House

Paper clip - Wikiwand

How did paper clips come about? – A Better Man

5,300+ Metal Clip Stock Illustrations, Royalty-Free Vector

Paper Clips

The History and Invention of the Paperclip

Holding It Together: From Pins to Paper Clips – Pieces of History

Paper Clips