Wallace Online Bibliographical Database
| Identifier: | S646 |
| Date: | 1907.10.11 |
| Concise reference: | Wallace, A. R. 1907. How life became possible on the earth. In: Mee, Arthur; Hammerton, J.A. & Innes, A.D. eds., Harmsworth History of the World. 8 vols. London: Carmelite House, vol. 1, pp. 91-98. |
