View documents (IIIF viewer) (5 documents / 5 available on the web) View documents (DFG viewer)
Country/geo | Guangdong |
Subject | Drinking water supply, sewerage of individual cities |
superordinated | Medical services, hygiene, medical institutions |
URI | https://pm20.zbw.eu/folder/sh/141275,144269 |
ID | sh/141275,144269 |