Hartwig, Georg Ludwig
1 publication
| Hartwig, Georg Ludwig (detail) | |
| 1892 | The sea and its living wonders; a popular account of the marvels of the deep and of the progress of maritime discovery from the earliest ages to the present time. Ed. 8. London, Longmans, Green , & Co.: xx + 524. 8 pls. 1 map. — |
Bibliography and Index of the Sirenia and Desmostylia 