| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Coffee Farmers Revolt in Southern Mexico in the 1980s and 1990s | 978-O-7734-7197-9 (O-7734-7197-9) | 2002 |
M P · M. Porter · R. M. · R.M. Porter · R. P. · R. Porter · Robert M. · Robert, M.D. Porter · Robert P. · Robert Porter