| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Galapagos Tortoises: Nomenclatural and Survival Status | 978-O-965354O-1-1 (O-965354O-1-6) | 1996 | Peter Charles Howard · Conservation International |
C.F. · C.F.P. · C.P. · C. Pritchard · C.R. · R. F. · R. P. · R Pritchard