| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Lords of the Arctic: A Journey Among the Polar Bears | 978-0-02-529630-5 (0-02-529630-2) | 1982 |
| The Man Who Moved a Mountain | 978-0-8006-1237-5 (0-8006-1237-X) | 1991 |
C.D. · R. C. · R.D. · R. Davids · Richard C. · Richard D.