Freeman Bibliographical Database
| Identifier: | A5931 |
| Date: | 1873 |
| Concise reference: | Siegwart, Karl [Sievert, Karl]. 1873. Das Alter des Menschengeschlechts. 3d ed. Berlin: Denicke's Verlag. [Darwin Library-Down] |
| Identifier: | A5931 |
| Date: | 1873 |
| Concise reference: | Siegwart, Karl [Sievert, Karl]. 1873. Das Alter des Menschengeschlechts. 3d ed. Berlin: Denicke's Verlag. [Darwin Library-Down] |