| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Modern Earth Science | 978-0-03-056533-5 (0-03-056533-2) | 2000 | Robert J. Sager · William L. Ramsey · Frank M. Watenpaugh |
| Modern Earth Science | 978-0-03-004449-6 (0-03-004449-9) | 1989 | William L. Ramsey |
| Modern Earth Science, Annotated Teacher's Edition | 978-0-03-050657-4 (0-03-050657-3) | 1998 | Robert J Sager · William L Ramsey · Frank M Watenpaugh |
C.P. · C. Phillips · C.R. · C. R. Phillips · Clifford R. Phillips and Frank M. Watenpaugh William L. Ramsey · Phillips, Clifford R. · R. P. · R. Phillips
Clifford R. Phillips and Frank M. Watenpaugh William L. Ramsey