| | | | |
| web | Rich Griset | Chesterfield Observer | 2019-09-25 |
| web | Joshua Specht | The Guardian | 2019-05-07 |
| web | Stuart Thompson | The Conversation | 2019-04-20 |
| web | Ilana Strauss | HuffPost | 2019-01-10 |
| web | B Venkatesh Bhat, B Dayakar Ra... | Karnataka State Department of ... | 2018-01-01 |
| web | Deena Shanker | Bloomberg | 2017-09-20 |
| web | Dana Goodyear | New Yorker | 2017-08-21 |
| web | Amy Mayer & Luke Runyon | Iowa Public Radio | 2016-10-26 |
| web | Natasha Geiling | The Smithsonian | 2014-11-10 |
| | | | |
| web | Kukil Bora | International Business Times | 2014-10-17 |
| web | Barry M Popkin | EMBO Rep | 2011-01-01 |
| web | John Seabrook | New Yorker | 2007-08-27 |
| web | Jeffrey Jones | Reuters | 2007-02-15 |
| web | | NC Farmworker Institute | 2007-01-01 |
| web | W. C. Lowdermilk | USDA | 1953-08-01 |