| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Geology of Pennsylvania | 978-O-8182-O227-8 (O-8182-O227-O) | 1999 | Geological Survey of Pennsylvania · Pittsburgh Geological Society |
C.H. · C.S. · Charles H. · Charles S. · Charles Shultz · H.S.