| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Development of Darwin's Theory: Natural History, Natural Theology, and Natural Selection, 1838-1859 | 978-0-521-46940-1 (0-521-46940-6) | 1995 |
| The Development of Darwin's Theory: Natural History, Natural Theology, and Natural Selection, 1838–1859 | 978-0-521-23818-2 (0-521-23818-8) | 1981 |