Por un escritor de hombre misterioso
100 Years of John Deere: How Its Waterloo Boy Tractor Changed America - WSJ
John Deere's autonomous tractor brings us one step closer to self-farming farms - Vox
Lawn & Garden Equipment
Tips for Buying a Tractor - Minnesota Equipment
The first John Deere tractor was - Neil Dahlstrom
John Deere, Connected Products, and the Problem with Licensing, by Martin Spindler, Internet of People
Farm sale includes two barn-find 'new' tractors
5E Series Utility Tractors, 5067E
John Deere 8000-series: The last green tractor that anybody will collect?