Incoming Resources
- Tractors on the go, by Beth Bence Reinke
- Tractors and trucks, Rita Storey
- Tractors, Tractores, Katie Kawa
- The Tractor Mac show, Case IH Agriculture
- Let's look at trucks and tractors, John Allan
- Busy tractors, busy days, written by Lori Haskins Houran
- Big tractors and trucks, executive producers Don Stillman and Derek Anderson
- Tractors go to work, Jennifer Boothroyd
- Tractor wars, John Deere, Henry Ford, International Harvester, and the birth of modern agriculture, Neil Dahlstrom
- Tractor, by Amelia Hepworth ; illustrated by David Semple