John Deere Model R - Wikipedia

John Deere - Wikipedia

List of John Deere tractors - Wikipedia

File:Minneapolis-Moline R tractor VA7.jpg - Wikimedia Commons

John Deere - Wikipedia

List of John Deere tractors - Wikipedia

John Deere - Wikipedia

List of John Deere tractors, Tractor & Construction Plant Wiki

John Deere Model A - Wikipedia

John Deere 2400, Tractor & Construction Plant Wiki