CRL has an extensive collection of U.S. imprint textbooks (K-12), including a collection of agricultural textbooks. Some examples of textbooks include:

• A manual of scientific and practical agriculture, for the school and the farm (1859)
• Better rural careers; vocational aspects of rural life in the South (1941)
• Great American industries; second book : products of the soil (1906)

Textbooks for agriculture have been fully cataloged (see link).