- Mail Collection Boxes: A Brief HistoryPDF|RTF
- Curbside Mailboxes: A Chronology of Size ChangesPDF|RTF
- Postal Inspectors' BadgesPDF|RTF
- Letter Carriers' SatchelsPDF|RTF
- Letter Carriers' Whistles and Door KnockersPDF|RTF
- Letter Carriers' Uniform
View artifacts online
To learn more about the history of uniforms and equipment, you cansearch the collectionof the Smithsonian's National Postal Museum.