Spencer F. Silver, inventor of sticky note adhesive, dies at 80
A Post It History
Post-it note - Wikipedia
Patent History: Post-it Notes
New Yorkers build walls of sticky notes in defiance of Trump
Visitors' texts on Post-it TM notes on museum walls. (a) (close-up
PDF) Post-it Note
Post-it Notes
The Accidental Billion Dollar Invention of 3M Post It Notes
The Post-it Note Challenge — Rooted in Language
Post-it Super Sticky Notes, 3x3 in, 5 Pads, 2x the Sticking Power
The History of the Post-it Note - DAILY WAFFLE
Who Invented Sticky Notes?
The mighty power of the simple Post-it Note protest
Post-it Notes