| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Speleology: Caves & the Cave Environment | 978-0-939748-46-4 (0-939748-46-0) | 1997 | G. Nicholas Sullivan · National Speleological Society |
| Spelology Caves and the Cave Environment | 978-0-939748-45-7 (0-939748-45-2) | 1997 | Nicholas Sullivan |
G.M. · G. Moore · G. W. · George M. · George Moore · George W. · W. M. · W. Moore