| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Focus on Geographic Activity: A Collection of Original Studies | 978-0-07-064204-1 (0-07-064204-4) | 1964 | Donald J. Patton |
| The geography of economic activity | 978-0-07-064207-2 (0-07-064207-9) | 1974 | |
R. S. · R. T. · Richard S. · Richard T. · richard thoman · S. T.