| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| A Revolution Down on the Farm: The Transformation of American Agriculture since 1929 | 978-0-8131-9242-0 (0-8131-9242-0) | 2009 |
| The State of the Earth: Environmental Challenges on the Road to 2100 | 978-0-8131-9225-3 (0-8131-9225-0) | 2009 |
P. C. · Paul C. · Paul Conkin Ph.D. · Paul K. Conkin · Paul K. Conkin Ph.D. · Paul K. Conkin PhD · Paul Keith Conkin