Books by Robert N. Pripps
The tractor factor
The tractor factor
The Field Guide to Ford Tractors
John Deere GP Tractors
Ford Tractors (Farm Tractor Color History)
Standard catalog of John Deere tractors
The Field Guide to Farmall Tractors
The Big Book of Farm Tractors
Big Book of Caterpillar
The Big Book of Caterpillar
Vintage Ford Tractors (Town Square Books)
The field guide to vintage farm tractors
Great American tractors
Case GP tractors
Ford & Fordson tractors
Fordson tractors
Illustrated International Harvester tractor
John Deere model B restoration guide
John Deere photographic history
Farm crawlers
Illustrated Ford & Fordson tractor buyer's guide
Oliver tractors
Illustrated John Deere two-cylinder tractor buyer's guide
Threshers
Threshers
Great American Farm Tractors J
Great American Farm Tractors John Deere