ISBN number search > International NGO Publishers > Knowledge Unlimited
| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1981 | 978-99914-4-002-6 | Poppies | |
| 1987 | 978-99914-4-825-1 | Robert Merrill King ยท Harold Robinson | Genera of Eupatoriea (Asteraceae) |
| 1990 | 978-99914-4-829-9 | Newscurrents | Editorial Cartoons by Kids 1990 |