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2. Forest insects: a text-book for the use of students in forest schools, colleges, and universities, and for forest workers
3. Our natural resources and their conservation
4. Sheep
5. The Jersey: an outline of her history during two centuries--1734-1935
6. Humus: origin, chemical composition, and importance in nature
7. Pathological physiology and clinical description of the anemias
8. An agricultural policy for the United States: preliminary report.
9. Elements of Diesel engineering: with questions and answers ; stationary, marine, automotive, locomotive ; an easily understood introductory manual for the student, mechanic, operator and practical engineer suitable for home or school use
10. The social history of American agriculture
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