Freeman Bibliographical Database
| Identifier: | A6599 |
| Date: | 1870 |
| Concise reference: | Wallace, Alfred Russel. 1870. The measurement of geological time. Nature 1: 399-401, 452-455. [Darwin Pamphlet Collection Quarto 137] |
| Identifier: | A6599 |
| Date: | 1870 |
| Concise reference: | Wallace, Alfred Russel. 1870. The measurement of geological time. Nature 1: 399-401, 452-455. [Darwin Pamphlet Collection Quarto 137] |