| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Grebes | 978-87-577-0042-8 (87-577-0042-7) | 1977 | |
| Working Bibliography of Grebes of the World with Summaries of Current Taxonomy and of Distributional Status | 978-87-87519-31-1 (87-87519-31-3) | 1990 | J.J. Vlug |