| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Annual Report of the Geological Survey of Pennsylvania, Part 2 | 978-1-145-67092-1 (1-145-67092-X) | 2010 | Pennsylvania. Geological Survey |
| Report of Progress 1874-1889, A-Z. | 978-1-235-70620-2 (1-235-70620-6) | 2012 | |
| The Geology of Pennsylvania | 978-0-8182-0227-8 (0-8182-0227-0) | 1999 | Pittsburgh Geological Society |
G.O. · G. P. · G S · Geological Survey · Geological Survey O · O.P. · S.O. · S. P.
Amereon Ltd · General Books LLC · Nabu Press