403 books • 6 series
The Cotton Plant
Wildland Fire in Ecosystems
Keys to Soil Taxonomy
China's Food and Agriculture
Maple Sirup Producers Manual
Collection and Preservation of Insects
Black Walnut as a Crop
Cheese Varieties and Descriptions
Timber Bridges
A Guide to Medicinal Plants of Appalachia
Propagation of Trees and Shrubs
Major World Crop Areas and Climatic Profiles
Florida's Favorite Foods
A Glossary of Some Foreign-Language Terms in Entomology
Climate and Man
Favorite American Recipes
National Detector Dog Manual
Soil Survey Manual
Living on a Few Acres