| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Review of ring recoveries of waterbirds in southern Africa | 978-O-62O-24884-6 (O-62O-24884-X) | 1999 |
L. G Underhill · L. Underwood · Lee Underwood · Liz Underhill · Lois Beachy Underhill · Lora Altine Woodbury Underhill · Louise Underhill · Sandra L. Underhill