Freeman Bibliographical Database
| Identifier: | A5677 |
| Date: | 1841 |
| Concise reference: | Richardson, John. 1841. On the frozen soil of North America. Edinburgh New Philosophical Journal 30: 110-123. [Darwin Pamphlet Collection] |
| Identifier: | A5677 |
| Date: | 1841 |
| Concise reference: | Richardson, John. 1841. On the frozen soil of North America. Edinburgh New Philosophical Journal 30: 110-123. [Darwin Pamphlet Collection] |