John Deere Country: Stories About Folks Who Love John Deere
2009
Tractor Ted All About Harvesters
2016
Writing: Plain & Fancy
1981
Tractor Ted Hello Ewe!
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Tractor Ted Mighty Maize Machine
2011
Unstoppable Solar Cycles
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The Subject and Tasks of Biophysics
1982
Tractor Ted Meets More Animals
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Who's More Important, What's More Necessary
1930
Chemistry in the kitchen
1957
There Goes a Monster Truck
1995
