An endangered artifact, the campaign button says it all | News | postandcourier.com
Lot of 27 Congressional Campaign Pinback Pin Buttons Holt - Etsy UK
A collection of US political campaign buttons featuring a 1960 portrait of Hubert H. Humphrey on a pin back button badge for President Stock Photo - Alamy
Pinning their hopes on buttons – Harvard Gazette
Political Buttons | Harvard Kennedy School
Pushing Buttons: In Our Divided America, Political Pinbacks Give Anyone a Voice | Collectors Weekly
Vintage Old Political Pin Back Buttons Campaign Wendall Willke Collection Pins | eBay
The paraphernalia of politics - The Boston Globe
Archives Exhibit Presidential Election Buttons | The Choate News