Harrington & Richardson Inc. Topper Model 158 Break Action Shotgun | National Museum of American History
H & R Model 922
H&R single barrel shotgun, removable hinge pin, 6 digit serial number, Year made? | Shotgun Forum
H&R Firearms - Wikipedia
Z Sold 410 Topper Model 148 / Harrington & Richardson
Wheelgun Wednesday: H&R Model 676 Buntline Barrel .22 ConvertibleThe Firearm Blog
An old harrington & richardson black powder hammerless .38 that I found in my grandfather's stuff. From my research it's from between 1896-1904 with an early serial number : r/Revolvers
H&R single barrel shotgun, removable hinge pin, 6 digit serial number, Year made? | Shotgun Forum
Harrington-richardson | Gun Values Board
Harrington & Richardson 410 gauge shotgun | The Firearms Forum
Need Help with D.O.M. for my H&R Model 1900 | Graybeard Outdoors
H&R Us Patent 3988848 | Gun Values Board
Help Interpreting H&R Serial Number | The Firearms Forum