R. B · R.R. · Richard B. · Richard R
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Guide to Tendrillate Climbers of Costa Rican Mountains | 978-0-8138-0758-4 (0-8138-0758-1) | 2004 | Alexander Krings |
| North American Trees | 978-0-8138-1526-8 (0-8138-1526-6) | 2003 | Richard J. Preston Jr. |