| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1972 | 978-0-913480-00-7 | Clarence Senior | Santiago Iglesias: Labor Crusader |
| '' | 978-0-913480-02-1 | '' | Santiago Iglesias Labor Crusader |
| '' | 978-0-913480-04-5 | Brian Irving | Guyana: A Composite Monograph |
| '' | 978-0-913480-05-2 | Brian Irving | Guyana;: A composite monograph |
| 1975 | 978-0-913480-08-3 | Angela Kay Kepler | Common Ferns of Luguillo Forest |