The red queen and the hard reds : productivity growth in American wheat, 1800-1940
Cotton : varietal innovation and the making of king cotton
The other revolution in the cotton economy : cotton's revival in the twentieth century
That "stincking weede of America" : the evolution of tobacco production
California : creating a cornucopia
More crops, more animals : livestock and feeds in the farm economy
Defining and redesigning America's livestock
Nature's perfect food : inventing the modern dairy industry
