| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Introduction to the structure of the earth | 978-0-07-060197-0 (0-07-060197-6) | 1977 | |
| Pasajes | 978-0-07-232620-8 (0-07-232620-4) | 2002 | Mary Lee Bretz |
E W Spencer · Edgar Spencer · Edgar W. Spencer · W.S. · W. SPENCER