| title | ISBN-13 | year of publication |
|---|---|---|
| The Butterflies of Costa Rica and Their Natural History | 978-0-691-02890-3 | 1997 |
| The Butterflies of Costa Rica and Their Natural History | 978-0-691-08420-6 | 1987 |
| The Butterflies of Costa Rica and Their Natural History, Vol. II: Riodinidae | 978-0-691-02889-7 | 1997 |
| The Butterflies of Costa Rica and Their Natural History, Vol. I: Papilionidae, Pieridae, Nymphalidae | 978-0-691-02403-5 | 1987 |