View documents (IIIF viewer) (5 documents / 5 available on the web) View documents (DFG viewer)
| Country/geo | Colonial Nigeria, incl. British Cameroons |
| Subject | Hydropower industry |
| superordinated | Individual branches of industry |
| URI | https://pm20.zbw.eu/folder/sh/141409,145121 |
| ID | sh/141409,145121 |